JaJuan want to estimate the average student GPA at his high school. He surveys 35 students and finds their average GPA to be 3.5 with a standard deviation of 0.33. Which statement is true? JaJuan is estimating... a proportion and will use the Z-table a mean and will use the t-table because the population standard deviation is unknown a proportion and will use the t-table a mean and will use the Z-table because the population standard deviation is unknown a mean and will use the Z-table because the population standard deviation is known a mean and will use the t-table because the population standard deviation is known

JaJuan want to estimate the average student GPA at his high school. He surveys 35 students and finds their average GPA to be 3.5 with a standard deviation of 0.33. Which statement is true? JaJuan is...

JaJuan want to estimate the average student GPA at his high school. He surveys 35 students and finds their average GPA to be 3.5 with a standard deviation of 0.33.

Which statement is true?

JaJuan is estimating...

a proportion and will use the Z-table

a mean and will use the t-table because the population standard deviation is unknown

a proportion and will use the t-table

a mean and will use the Z-table because the population standard deviation is unknown

a mean and will use the Z-table because the population standard deviation is known

a mean and will use the t-table because the population standard deviation is known

Jun 10, 2022

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JaJuan want to estimate the average student GPA at his high school. He surveys 35 students and finds their average GPA to be 3.5 with a standard deviation of 0.33. Which statement is true? JaJuan is...

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