Question: 6.2 Q5 Construct the indicated confidence interval for the population mean using thet-distribution. Assume the population is normally distributed. c=0.95, x=14.6, s=4.0, n=8 Q6 Construct

6.2

Q5

Construct the indicated confidence interval for the population mean using thet-distribution. Assume the population is normally distributed.

c=0.95, x=14.6, s=4.0, n=8

Q6

Construct the indicated confidence interval for the population mean using thet-distribution. Assume the population is normally distributed.

c=0.95, x=12.9, s=0.85, n=18

Q7

Use the given confidence interval to find the margin of error and the sample mean.

(14.3,23.3)

Q8

Use the given confidence interval to find the margin of error and the sample mean.

(3.53,8.37)

Q9

In a random sample of 24 people, the mean commute time to work was 34.9 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use at-distribution to construct a 95% confidence interval for the population mean . What is the margin of error of ? Interpret the results.

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