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11 A survey of a random sample of 15 adults resulted in a mean age of the person's primary vehicle of 5.6 years with a s
Posted: Wed May 11, 2022 8:27 am
by answerhappygod
- 11 A Survey Of A Random Sample Of 15 Adults Resulted In A Mean Age Of The Person S Primary Vehicle Of 5 6 Years With A S 1 (24.09 KiB) Viewed 26 times
11 A survey of a random sample of 15 adults resulted in a mean age of the person's primary vehicle of 5.6 years with a standard deviation of 1.8 years. Construct a 98% confidence interval for the mean age of all adults' primary vehicles. 12. Which of the following would result in a wider confidence interval than that in question 11? a) decrease the margin of error b) increase the sample size c) decrease the level of confidence d) decrease the sample size