We want to test whether males are taller than females. Heights of males and females are collected and the excel outputs are given below. Assume height is normally distributed for males and females with unequal variances. t-Test: Two-Sample Assuming Equal Variances t-Test: Two-Sample Assuming Unequal Variances Male Female Mean 170.86 169.1333 Male Female Variance 11.2249 15.93636 Мean 170.86 169.1333 Observations 50 45 Variance 11.2249 15.93636 Pooled Variance 13.45398 Observations 50 45 Hypothesized Mean Difference Hypothesized Mean Difference df 93 df 86 t Stat 2.290934 t Stat 2.269888 P(T<=t) one-tail t Critical one-tail P(T<=t) one-tail t Critical one-tail 0.012113 0.012857 1.661404 1.662765 P(T<=t) two-tail t Critical two-tail P(T<=t) two-tail t Critical two-tail 0.024226 0.025715 1.985802 1.987934 You are given two excel outputs. Select the appropriate output to answer questions. Write down the p-value for this test given in the table (give you answer to 4 decimal places).
We want to test whether males are taller than females. Heights of males and females are collected and the excel outputs are given below. Assume height is normally distributed for males and females with unequal variances. t-Test: Two-Sample Assuming Equal Variances t-Test: Two-Sample Assuming Unequal Variances Male Female Mean 170.86 169.1333 Male Female Variance 11.2249 15.93636 Мean 170.86 169.1333 Observations 50 45 Variance 11.2249 15.93636 Pooled Variance 13.45398 Observations 50 45 Hypothesized Mean Difference Hypothesized Mean Difference df 93 df 86 t Stat 2.290934 t Stat 2.269888 P(T<=t) one-tail t Critical one-tail P(T<=t) one-tail t Critical one-tail 0.012113 0.012857 1.661404 1.662765 P(T<=t) two-tail t Critical two-tail P(T<=t) two-tail t Critical two-tail 0.024226 0.025715 1.985802 1.987934 You are given two excel outputs. Select the appropriate output to answer questions. Write down the p-value for this test given in the table (give you answer to 4 decimal places).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Topic Video
Question

Transcribed Image Text:QUESTION 4
We want to test whether males are taller than females. Heights of males and females are collected and the excel outputs are given
below. Assume height is normally distributed for males and females with unequal variances.
t-Test: Two-Sample Assuming Equal Variances
t-Test: Two-Sample Assuming Unequal Variances
Male
Female
Male
Female
Mean
Variance
Observations
170.86 169,1333
11.2249 15.93636
Mean
170.86 169.1333
Variance
Observations
Hypothesized Mean Difference
50
45
11.2249 15.93636
Pooled Variance
13.45398
50
45
Hypothesized Mean Difference
df
93
86
t Stat
2.290934
t Stat
2.269888
P(T<=t) one-tail
t Critical one-tail
P(T<=t) one-tail.
t Critical one-tail
0.012857
1.662765
0.012113
1.661404
P(T<=t) two-tail
t Critical two-tail
0.025715
P(T<=t) two-tail
t Critical two-tail
0.024226
1.985802
1.987934
You are given two excel outputs. Select the appropriate output to answer questions.
Write down the p-value for this test given in the table (give you answer to 4 decimal places).
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 3 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman