Question: CHALLENGE ACTIVITY 6.21 Confidence intervals for population means. Start Suppose the mean height in inches of all 9th grade students at one high school

CHALLENGE ACTIVITY 6.21 Confidence intervals for population means. Start Suppose the mean

height in inches of all 9th grade students at one high school

CHALLENGE ACTIVITY 6.21 Confidence intervals for population means. Start Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 3 inches The heights of 6 randomly selected students are 61, 71, 69, 74, 71 and 73 1284 Margin of error at 90% confidence level = 90% confidence interval = [ Ex: 12.34 Ex: 12.34 ] [smaller value, larger valuel Feedback?

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