Week 3 dq 2 - graded PDF

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Dominique Dennis BST 322 1-23-2021 DQ Week 3: 2

Contingency table results: Rows: Forgot Date Columns: Used pot

Cell format Count (Row percent) (Column percent) (Percent of total) (Expected count) Used Pot 3+ times Never Once or twice Total 37 119 49 205 (18.05%) (58.05%) (23.9%) (100%) (55.22%) (50.85%) (49.49%) (51.25%) (9.25%) (29.75%) (12.25%) (51.25%) (34.34) (119.93) (50.74)

Forgot Date No % in used pot group % in forgot date % of total Expected count Yes % in used pot group % in forgot date % of total Expected count

30 115 (15.38%) (58.97%) (44.78%) (49.15%) (7.5%) (28.75%) (32.66) (114.08)

50 195 (25.64%) (100%) (50.51%) (48.75%) (12.5%) (48.75%) (48.26)

Total % in used pot group % in forgot date % of total

67 (16.75%) (100%) (16.75%)

99 (24.75%) (100%) (24.75%)

234 (58.5%) (100%) (58.5%)

Chi-Square test:

Statistic

DF

Chi-square

2

Hypotheses tested:

Value 0.56017047

P-value 0.7557

400 (100%) (100%) (100%)

Null hypothesis- marijuana use and forgetting the date are not related Alternative hypothesis- marijuana use and forgetting the date are related Conclusion: There appears to be no relationship between marijuana use and forgetting the date. This means we can retain the hypothesis. Our value of 0.56 does not work with the book value of 5.99. This proves that this is not significant because it is lower than the book value. Our P- value is also bigger than 0.05 which correlates with our value. We can now reject the alternative hypothesis and retain the null hypothesis....