What graphics might be appropriate? (Select all that apply.) a scatterplota regression lineaStudent's t distribution showing the area(s) corresponding to the P-valuea standard normal distributiona standard normal distribution showing the area(s) corresponding to the P-value What two sampling distributions are used in estimation and hypothesis testing of population means, proportions, paired differences, differences of means, anddifferences of proportions? (Select all that apply.)the Student'st distributionthe Student's z distributionthe standard normal distributionthe standard Student's distributionthe standard t distributionWhat are the criteria for determining the appropriate sampling distribution? (Select all that apply.)known or unknown population sizesnormalityknown or unknown uknown or unknown oknown or unknown population proportions What graphics might be appropriate? (Select all that apply.)a scatterplota regression linea Student's t distribution showing the area(s) corresponding to the P-valuea standard normal distributiona standard normal distribution showing the area(s) corresponding to the P-value

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Answered: What two sampling distributions are…

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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What graphics might be appropriate? (Select all that apply.)

a scatterplot

a regression linea

Student's t distribution showing the area(s) corresponding to the P-value

a standard normal distribution

a standard normal distribution showing the area(s) corresponding to the P-value

What two sampling distributions are used in estimation and hypothesis testing of population means, proportions, paired differences, differences of means, and
differences of proportions? (Select all that apply.)
the Student'st distribution
the Student's z distribution
the standard normal distribution
the standard Student's distribution
the standard t distribution
What are the criteria for determining the appropriate sampling distribution? (Select all that apply.)
known or unknown population sizes
normality
known or unknown u
known or unknown o
known or unknown population proportions

What graphics might be appropriate? (Select all that apply.)
a scatterplot
a regression line
a Student's t distribution showing the area(s) corresponding to the P-value
a standard normal distribution
a standard normal distribution showing the area(s) corresponding to the P-value

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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