Question

(Solve this problem on paper and upload your work as a PDF file for grading) Test for

an association (correlation analysis) between weight and TSC at a 5% significance
level. Some calculations are provided in the table below:
weight, X TSC, Y
2.5
0.7
3.3
4.2
3.8
14.5
2.9
40
49
67
70
57
SUM: 283
MEAN: 56.6
X*X
1600
2401
4489
4900
3249
16639
Y'Y
6.25
0.49
10.89
17.64
14.44
49.71
X'Y
100.0
34.3
221.1
294.0
216.6
866.0
Instructions: Based on the data above, Conduct Conduct Student's t-test for
Correlation and submit your solution in a PDF format. You must follow the rules
below in your solution:
1. Your solution cannot include any R code as a solution,
2. Must include formulas, numeric setup for all intermediate calculations,
3. You must show how you obtained the Critical and Calculated values using
formulas,
4. You must clearly label your steps
5. Must include a written null and alternate hypotheses (no mathematical notations
here),
6. You must include a conclusion and an interpretation for your conclusion.

Answer 1

Calculating the Mean, Median, Mode and Range for simple data. The table below shows how to calculate the mean, median, mode and range for two sets of data.