问题


There is a single choice question about high school statistics. Answer the question by replying A, B, C or D.
Question: A large company has offices in two locations, one in New Jersey and one in Utah. The mean salary of office assistants in the New Jersey office is $28,500. The mean salary of office assistants in the Utah office is $22,500. The New Jersey office has 128 office assistants and the Utah office has 32 office assistants. What is the mean salary paid to the office assistants in this company?
A. $22,500
B. $23,700
C. $25,500
D. $27,300
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0

To find the mean salary paid to the office assistants in the company, we need to calculate the total salary paid to all office assistants and then divide it by the total number of office assistants.

First, let's calculate the total salary paid to the office assistants in each location:

New Jersey office: 128 office assistants x $28,500 = $3,648,000
Utah office: 32 office assistants x $22,500 = $720,000

Next, let's add the total salaries paid in both locations to get the total salary paid to all office assistants:

$3,648,000 + $720,000 = $4,368,000

Now, let's divide the total salary paid to all office assistants by the total number of office assistants:

Total number of office assistants = 128 + 32 = 160

Mean salary = $4,368,000 / 160 = $27,300

Therefore, the mean salary paid to the office assistants in this company is $27,300.

The correct answer is D. $27,300.
D
deepseekr1

To find the overall mean salary of office assistants across both locations, calculate the weighted average using the number of employees in each office.

1. **Total salary for New Jersey**:
\(128 \times 28{,}500 = 3{,}648{,}000\)

2. **Total salary for Utah**:
\(32 \times 22{,}500 = 720{,}000\)

3. **Combined total salary**:
\(3{,}648{,}000 + 720{,}000 = 4{,}368{,}000\)

4. **Total number of employees**:
\(128 + 32 = 160\)

5. **Overall mean salary**:
\(\frac{4{,}368{,}000}{160} = 27{,}300\)

**Answer: D**
D
gpto1 D D
GPT-4o To find the mean salary paid to office assistants in the entire company, we need to calculate the weighted average of the mean salaries from both locations based on the number of office assistants at each location.

The total number of office assistants in the company is:
128 (New Jersey) + 32 (Utah) = 160

Next, we find the total salary paid to all office assistants in each location:
- Total salary for New Jersey office assistants: 128 * $28,500 = $3,648,000
- Total salary for Utah office assistants: 32 * $22,500 = $720,000

Now, we calculate the combined total salary for all office assistants:
$3,648,000 (New Jersey) + $720,000 (Utah) = $4,368,000

Finally, we find the mean salary by dividing the combined total salary by the total number of office assistants:
$4,368,000 / 160 = $27,300

Thus, the mean salary paid to the office assistants in this company is:
D. $27,300
D
llama3.1-70B-Instruct

To find the mean salary of all office assistants in the company, we need to calculate the total salary of all assistants and divide it by the total number of assistants.

Total salary of New Jersey office assistants = $28,500 x 128 = $3,648,000
Total salary of Utah office assistants = $22,500 x 32 = $720,000
Total salary of all office assistants = $3,648,000 + $720,000 = $4,368,000

Total number of office assistants = 128 + 32 = 160

Mean salary of all office assistants = Total salary / Total number of assistants
= $4,368,000 / 160
= $27,300

The correct answer is D. $27,300.
D
llama3.1-405B-Instruct

To find the mean salary paid to the office assistants in the company, we need to calculate the total salary paid to all office assistants and then divide it by the total number of office assistants.

First, let's calculate the total salary paid to the office assistants in each location:

New Jersey office: 128 office assistants x $28,500 = $3,648,000
Utah office: 32 office assistants x $22,500 = $720,000

Next, let's add the total salaries paid in both locations to get the total salary paid to all office assistants:

$3,648,000 + $720,000 = $4,368,000

Now, let's divide the total salary paid by the total number of office assistants to get the mean salary:

$4,368,000 ÷ (128 + 32) = $4,368,000 ÷ 160 = $27,300

Therefore, the mean salary paid to the office assistants in this company is $27,300.

The correct answer is D. $27,300.
D
DeepSeek-Coder-V2 To find the mean salary paid to the office assistants in the company, we need to calculate the total salary paid to all office assistants and then divide by the total number of office assistants.

First, calculate the total salary paid in the New Jersey office:
$28,500 * 128 = $3,648,000

Next, calculate the total salary paid in the Utah office:
$22,500 * 32 = $720,000

Now, add the total salaries from both offices:
$3,648,000 + $720,000 = $4,368,000

Then, find the total number of office assistants:
128 + 32 = 160

Finally, calculate the mean salary paid to the office assistants in the company:
$4,368,000 / 160 = $27,300

Answer: D. $27,300
D
Qwen2-72B-Instruct To find the mean salary paid to the office assistants in the company, you need to find the total salary paid to all office assistants and divide it by the total number of office assistants.

Total salary paid to office assistants in New Jersey: $28,500 * 128 = $3,648,000
Total salary paid to office assistants in Utah: $22,500 * 32 = $720,000
Total salary paid to all office assistants: $3,648,000 + $720,000 = $4,368,000
Total number of office assistants: 128 + 32 = 160

Mean salary paid to the office assistants in the company: $4,368,000 / 160 = $27,300

Answer: D. $27,300
D
baichuan4 To calculate the mean salary for the entire company, we need to find the total salary paid to all office assistants and divide it by the total number of office assistants.

First, let's calculate the total salary for each office:

New Jersey office total salary = 128 assistants * $28,500/assistant = $3,656,000
Utah office total salary = 32 assistants * $22,500/assistant = $720,000

Now, let's add the totals together and divide by the total number of assistants:

Total company salary = $3,656,000 + $720,000 = $4,376,000
Total number of assistants = 128 + 32 = 160

Mean salary = Total company salary / Total number of assistants
Mean salary = $4,376,000 / 160 = $27,350

The closest answer is D. $27,300.
D
doubao D.

The total salary for the New Jersey office is 128 * $28,500 = $3648000.
The total salary for the Utah office is 32 * $22,500 = $720000.
The total salary for all office assistants is $3648000 + $720000 = $4368000.
The total number of office assistants is 128 + 32 = 160.
The mean salary is $4368000 / 160 = $27300.
D
minimax To find the overall mean salary for the office assistants in the company, we need to calculate the total sum of salaries for all office assistants and then divide by the total number of office assistants.

The total sum of salaries for the New Jersey office is:
Mean salary in New Jersey * Number of assistants in New Jersey = $28,500 * 128

The total sum of salaries for the Utah office is:
Mean salary in Utah * Number of assistants in Utah = $22,500 * 32

Now, let's calculate these totals:

Total salary for New Jersey = $28,500 * 128 = $3,648,000
Total salary for Utah = $22,500 * 32 = $720,000

The combined total salary for both offices is:
$3,648,000 + $720,000 = $4,368,000

The total number of office assistants is:
128 (New Jersey) + 32 (Utah) = 160

Now we can calculate the overall mean salary:

Overall mean salary = Total combined salary / Total number of assistants
Overall mean salary = $4,368,000 / 160

Now let's calculate the overall mean salary:

Overall mean salary = $4,368,000 / 160 = $27,300

So the correct answer is:

D. $27,300
D
kimi To find the mean salary paid to the office assistants in the company, we can use the formula for the weighted mean:

\[ \text{Mean} = \frac{\sum (\text{Value} \times \text{Frequency})}{\text{Total Frequency}} \]

In this case, the "Value" is the mean salary in each office, and "Frequency" is the number of office assistants in each office.

For the New Jersey office:
\[ \text{Value} = \$28,500 \]
\[ \text{Frequency} = 128 \]

For the Utah office:
\[ \text{Value} = \$22,500 \]
\[ \text{Frequency} = 32 \]

Now we calculate the total salary paid to each group and then divide by the total number of office assistants.

\[ \text{Total Salary for New Jersey} = \$28,500 \times 128 \]
\[ \text{Total Salary for Utah} = \$22,500 \times 32 \]

\[ \text{Total Salary} = \text{Total Salary for New Jersey} + \text{Total Salary for Utah} \]
\[ \text{Total Salary} = (\$28,500 \times 128) + (\$22,500 \times 32) \]

\[ \text{Total Salary} = \$3,648,000 + \$720,000 \]
\[ \text{Total Salary} = \$4,368,000 \]

\[ \text{Total Number of Office Assistants} = 128 + 32 \]
\[ \text{Total Number of Office Assistants} = 160 \]

\[ \text{Mean Salary} = \frac{\$4,368,000}{160} \]

\[ \text{Mean Salary} = \$27,300 \]

So the correct answer is:

D. $\boxed{\$27,300}$
D
wenxinyiyan D. $27,300

Explanation:
To find the mean salary paid to all office assistants in the company, we need to calculate the weighted average of the mean salaries in each office, where the weights are the number of office assistants in each office.

The formula for weighted average is:
Weighted Average = (Sum of (Each Mean * Corresponding Weight)) / (Sum of All Weights)

Applying this formula to the given data:
Weighted Average = (($28,500 * 128) + ($22,500 * 32)) / (128 + 32)
= ($3,648,000 + $720,000) / 160
= $4,368,000 / 160
= $27,300

Therefore, the mean salary paid to the office assistants in this company is $27,300.
D
zhipu To find the mean salary paid to the office assistants in the entire company, we need to calculate the weighted average of the salaries in both offices.

Here are the steps:

1. Calculate the total salary paid in the New Jersey office:
\[ \text{Total salary in New Jersey} = \text{Mean salary in New Jersey} \times \text{Number of assistants in New Jersey} \]
\[ = \$28,500 \times 128 \]
\[ = \$3,648,000 \]

2. Calculate the total salary paid in the Utah office:
\[ \text{Total salary in Utah} = \text{Mean salary in Utah} \times \text{Number of assistants in Utah} \]
\[ = \$22,500 \times 32 \]
\[ = \$720,000 \]

3. Calculate the total salary paid to all office assistants in the company:
\[ \text{Total salary for the company} = \text{Total salary in New Jersey} + \text{Total salary in Utah} \]
\[ = \$3,648,000 + \$720,000 \]
\[ = \$4,368,000 \]

4. Calculate the total number of office assistants in the company:
\[ \text{Total number of assistants} = \text{Number of assistants in New Jersey} + \text{Number of assistants in Utah} \]
\[ = 128 + 32 \]
\[ = 160 \]

5. Calculate the mean salary for all office assistants in the company:
\[ \text{Mean salary} = \frac{\text{Total salary for the company}}{\text{Total number of assistants}} \]
\[ = \frac{\$4,368,000}{160} \]
\[ = \$27,300 \]

So, the mean salary paid to the office assistants in this company is $27,300.

Answer: D. $27,300
D
gpto1 D D
deepseekv3 To find the mean salary paid to the office assistants in the entire company, we need to calculate the **weighted average** of the salaries from both locations.

### Step 1: Calculate the total salary for each location
- **New Jersey**:
Number of office assistants = 128
Mean salary = $28,500
Total salary = \( 128 \times 28,500 = 3,648,000 \)

- **Utah**:
Number of office assistants = 32
Mean salary = $22,500
Total salary = \( 32 \times 22,500 = 720,000 \)

### Step 2: Calculate the total number of office assistants
Total number of office assistants = \( 128 + 32 = 160 \)

### Step 3: Calculate the mean salary for the company
Mean salary = \( \frac{\text{Total salary}}{\text{Total number of office assistants}} \)
Mean salary = \( \frac{3,648,000 + 720,000}{160} \)
Mean salary = \( \frac{4,368,000}{160} \)
Mean salary = \( 27,300 \)

### Final Answer:
The mean salary paid to the office assistants in this company is **$27,300**.

**Answer: D**
D