Question

Asked May 2, 2019

Number 5 Please Explain TI84 Use if applicable

Step 1

In this question,

It has been given that, a claim has been made by Toyota company that average age of scion drivers is 26 years old, we have to check whether the claim is right or not by calculating the confidence interval.

We have the sample data of 18 scion drivers, average age of drivers is 27.5 years and standard deviation is 2.3 years.

Step 2

Part A) .

Here we have calculated the confidence interval, calculation has shown on whiteboard.

Step 3

B) Does this result lend support to Toyota’s claim?

No, the result does not support the claim made by Toyota, because as per claim average age is ...

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