 # BA 215 BA215 Week 8 Quiz Answers (Grantham)

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BA 215 Week 8 Quiz (Grantham)

1.

A portion of the population selected to represent the population is called

QUESTION 2

1. The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

QUESTION 3

1. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

QUESTION 4

1. The set of all possible sample points (experimental outcomes) is called

QUESTION 5

1. A numerical description of the outcome of an experiment is called a

QUESTION 6

1. A description of the distribution of the values of a random variable and their associated probabilities is called a

QUESTION 7

1. Which of the following is not a characteristic of the normal probability distribution?

QUESTION 8

1. A theorem that allows us to use the normal probability distribution to approximate the sampling distribution of sample means and sample proportions whenever the sample size is large is known as the

QUESTION 9

1. The value added and subtracted from a point estimate in order to develop an interval estimate of the population parameter is known as the

QUESTION 10

1. Whenever the population standard deviation is unknown and the population has a normal or near-normal distribution, which distribution is used in developing an interval estimation?

QUESTION 11

1. The level of significance

QUESTION 12

1. When the p-value is used for hypothesis testing, the null hypothesis is rejected if

QUESTION 13

1. The p-value is a probability that measures the support (or lack of support) for the

QUESTION 14

1. The coefficient of correlation

QUESTION 15

1. Regression analysis is a statistical procedure for developing a mathematical equation that describes how

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