abilean69 abilean69

10-10-2021
SAT

contestada

Suppose the mean height in inches of all 9th-grade students at one high school is estimated. The population standard deviation is 6 inches. The heights of 7 randomly selected students are 73 ,70 ,61 ,75 ,60 , 60 and 67 .

=

Margin of error at 90% confidence level =

90% confidence interval = [

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dawsondavis9994j dawsondavis9994j

10-10-2021

Answer:

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Explanation:

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