“Comparing Average Adult Weights and Testing for Independence using the Chi-Square Distribution”

* Chapter 10 Activity-Question:
You are conducting a study to determine if there is a significant difference between average adult weight of males and females (in pounds). Calculate the test-statistic, t with the following sample data.
𝑛
1
=
35
, 
x-bar
¯
1
=
131
, 
𝑠
1
=
10
𝑛
2
=
25
, 
x-bar
¯
2
=
134
, 
𝑠
2
=
7
Rounded to 3 decimal places.
* Chapter 11 Activity Question:  The Chi-Square Distribution: Test of Independence, or Test of Homogeneity. Enter data values in Matrix  (Press 2nd 1 to find the MATRIX for Edit ) before conducting the  χ2−Test.  Watch the video below, the P-Value, and draw the conclusion.