use the pictures uploaded to answer these questions a) What sampling distribution will you use? What assumptions are you making?choose one:The Student's t. We assume that both population distributions are approximately normal with known standard deviations.The Student's t. We assume that both population distributions are approximately normal with unknown standard deviations. The standard normal. We assume that both population distributions are approximately normal with unknown standard deviations.The standard normal. We assume that both population distributions are approximately normal with known standard deviations.b)What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.)c) Find (or estimate) the P-value and sketch the p value. choose one:P-value > 0.2500.125 < P-value < 0.250 0.050 < P-value < 0.1250.025 < P-value < 0.0500.005 < P-value < 0.025P-value < 0.005 A random sample of n, 16 communities in western Kansas gave the following information for people under 25 years of age.X: Rate of hay fever per 1000 population for people under 2597122 126 93 123 112 9395 12591125117 97122 127 88A random sample of n, 14 regions in western Kansas gave the following information for people over 50 years old.Rate of hay fever per 1000 population for people over 5096 10899 95 111 88 11079 115100 89 114 8596A USE SALT A random sample of n, 16 communities in western Kansas gave the following information for people under 25 years of age.X: Rate of hay fever per 1000 population for people under 2597122 126 93 123 112 9395 12591125117 97122 127 88A random sample of n, 14 regions in western Kansas gave the following information for people over 50 years old.Rate of hay fever per 1000 population for people over 5096 10899 95 111 88 11079 115100 89 114 8596A USE SALT

a) Here, the population standard deviation of the two groups is unknown; therefore, the sampling…

Answered: a) What sampling distribution will you…

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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use the pictures uploaded to answer these questions

a) What sampling distribution will you use? What assumptions are you making?choose one:

The Student's t. We assume that both population distributions are approximately normal with known standard deviations.
The Student's t. We assume that both population distributions are approximately normal with unknown standard deviations.
The standard normal. We assume that both population distributions are approximately normal with unknown standard deviations.
The standard normal. We assume that both population distributions are approximately normal with known standard deviations.

b)What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.)

c) Find (or estimate) the P-value and sketch the p value. choose one:
P-value > 0.250
0.125 < P-value < 0.250
0.050 < P-value < 0.125
0.025 < P-value < 0.050
0.005 < P-value < 0.025
P-value < 0.005