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Question 1 of 10

1. Question

State the following data as categorical or numerical.

the number of computers in each house

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Question 2 of 10

2. Question

A phone survey conducted for an insurance company rings \( 500 \) households between 11 am to 2 pm to ask what insurance company they prefer. State the intended population.

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Question 3 of 10

3. Question

A score was added to the set of scores: \( 13, 18, 20, 20, 22 \) and \( 26 \). The new mean is equal to \( 19\). What score was added?

The score added was .

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Question 4 of 10

4. Question

A shoe store makes sales with the median is 340 dollars and the mean is 310 dollars. Which is the best measure of centre use it to predict average profit?

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Question 5 of 10

5. Question

What is the age of the child who is 35 kg?

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Question 6 of 10

6. Question

Describe the relationship between two variables.

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Question 7 of 10

7. Question

Predict \(x\) when \(y = 90\)

\(x = \)

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Question 8 of 10

8. Question

Use technology to find the equation, \(y = mx + b\) of the linear regression for the data by considering any outliers. Express coefficients correct to two decimal places.

Use technology to find the equation, \(y = mx + b\) of the linear regression for the data by considering any outliers. Express coefficients correct to two decimal places.