a. Which parameter are you estimating? b. What is the point estimate? c. Check all of the requirements that are satisfied. random the a distribution is normal since n > 30 the distribution is normal since the x distribution is normal the p distribution is normal since np > 10 and nq > 10

a. Which parameter are you estimating? b. What is the point estimate? c. Check all of the requirements that are satisfied. random the a distribution is normal since n > 30 the distribution is normal since the x distribution is normal the p distribution is normal since np > 10 and nq > 10

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

In a random sample of 33 people at a frozen yogurt shop, it
was found that they ordered an average of 8.4 ounces with
a standard deviation of 1.9 ounces. Construct a 92%
confidence interval for the average number of ounces
ordered from this frozen yogurt shop.
a. Which parameter are you estimating?
b. What is the point estimate?
c. Check all of the requirements that are satisfied.
random
the a distribution is normal since n > 30
the a distribution is normal since the x
distribution is normal
|the p distribution is normal since np > 10
and ną > 10
d. Find the margin of error. (You may use a critical
value of t. = 1.8081.)
E
e. Give the confidence interval in interval notation.

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