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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*CorrectIncorrect - 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.

CorrectIncorrect - 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 .

CorrectIncorrect - 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?

CorrectIncorrect - Question 5 of 10
##### 5. Question

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

CorrectIncorrect - Question 6 of 10
##### 6. Question

Describe the relationship between two variables.

CorrectIncorrect - Question 7 of 10
##### 7. Question

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

\(x = \)

CorrectIncorrect - 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.

\( \begin{array}{|c|c|c|} \hline

x & 11 &12 &14 &16 &19 &21 &25 \\ \hline

y & 11 &17 &21 &27 &20 &98 &110 \\ \hline

\end{array} \)\(m = \) , \(b = \)

CorrectIncorrect - Question 9 of 10
##### 9. 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.

\( \begin{array}{|c|c|c|} \hline

x & 2 &7 &11 &18 &21 &25 &31 \\ \hline

y & 12 &14 &97 &121 &5 &24 &29 \\ \hline

\end{array} \)\(m = \) , \(b = \)

CorrectIncorrect - Question 10 of 10
##### 10. Question

When estimating a value within the range of collected data, this is called interpolation and the estimate is quite reliable.

CorrectIncorrect