Run a chi-square test for goodness of fit on the variable "Year," testing whether there are equal numbers of STA 250 students in all the represented class years. Copy and paste your output to a Word document and type your answers to the following questions below:
Chi-Square Test Sig. (2-sided)
Frequencies
Observed N
Expected N
Residual
Freshman
Sophomore
Junior
Senior
Total
Test Statistics
Chi-Square
df
Asymp. Sig.
0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 13.8.
How many students would we expect to see in each of the represented class years if the null hypothesis is true?
How many students do we actually see in each class year? Freshman: 2, Sophomore: 23, Junior: 20, Senior
Is there a statistically significant difference between the distribution of students in the sample and the null hypothesis that there are equal numbers of STA 250 students in each of the represented class years? Write a sentence using the proper format.
The difference is statistically significant because p < .05
Task 2. Run a chi-square test for independence on the variables "Section" (Student Data Section) and "Bornnyc," testing whether there is a statistically significant association where a student was born and what data section they were in. Put Section in columns and Bornnyc in rows. Request column percentages, the chi-square and phi and Cramer's V statistics. Copy and paste your output to a Word document and type your answers to the following questions below:
Crosstabs
Case Processing Summary
Cases
Valid
Missing
Total
N
Percent
N
Percent
N
Percent
Are you originally from New York City? * Student Data Section
Exact Sig. (2-sided)
Exact Sig. (1-sided)
Pearson Chi-Square
2.353a
1
.125
Continuity Correctionb
1.556
1
.212
Likelihood Ratio
2.389
1
.122
Fisher's Exact Test
.158
.106
Linear-by-Linear Association
2.311
1
.128
N of Valid Cases
56
a. 0 cells (0.0%) have expected count less than 5. The minimum expected count is 8.68.
b. Computed only for a 2x2 table
Symmetric Measures
Value
Approx. Sig.
Nominal by Nominal
Phi
-.205
.125
Cramer's V
.205
.125
N of Valid Cases
56
1. Is there a statistically significant association between a student's data section and where they were born? Write a sentence using the proper format.
No, there is no…
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