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Author Question: Adult IQs are normally distributed, with a standard deviation of 15. We sample 10 adults and ... (Read 53 times)

Bobvance

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on: Feb 26, 2023

Question 1

A single number computed from a sample that serves as a guess for a parameter is called a(n):

◦

point estimate.


◦

approximate estimate.


◦

confidence estimate.


◦

confidence interval.



Question 2

Adult IQs are normally distributed, with a standard deviation of 15. We sample 10 adults and find\(\style{font-family:Times New Roman;}{\overline x=95}\). What is a 95% confidence interval for the mean adult IQ?

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(65.6, 124.4)


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(85.703, 104.297)


◦

(83.967, 106.033)


◦

(85.513, 104.487)

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Marked as best answer by Bobvance on Feb 26, 2023

fowlerhop@rocketmail.com

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Reply #1 on: Feb 26, 2023
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Bobvance

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Reply 2 on: Feb 26, 2023
Gracias!

Perkypinki

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Reply 3 on: Yesterday
Wow, this really help

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