Question
a) Paste in a summary that lets you see the relationship between the variables when there are 10 rows correct count incorrect count row total
a) Paste in a summary that lets you see the relationship between the variables when there are 10 rows
| correct count | incorrect count | row total | ||
| Version A | 4 | 1 | 5 | |
| version B | 4 | 1 | 5 | |
| You can divide by row totals to get proportions | ||||
| correct % | incorrect % | total | ||
| Version A | 80.00% | 20.00% | 100.00% | |
| version B | 80.00% | 20.00% | 100.00% | |
| difference | 0.00% | 0.00% |
B ) paste in a summary that lets you see the relationship between the variables when there are 10 rows (use F9 to make sure the summary in part (b) is different to part
| correct count | incorrect count | row total | ||
| Version A | 5 | 0 | 5 | |
| version B | 4 | 1 | 5 | |
| You can divide by row totals to get proportions | ||||
| correct % | incorrect % | total | ||
| Version A | 100.00% | 0.00% | 100.00% | |
| version B | 80.00% | 20.00% | 100.00% | |
| difference | 20.00% | -20.00% |
- Paste in a summary that lets you see the relationship between the variables when there are 1000 rows
| 143 count | 169 count | row total | |
| After covid | 24 | 1 | 25 |
| Before covid | 29 | 0 | 29 |
| You can divide by row totals to get proportions | |||
| 143 % | 169 % | total | |
| After covid | 96.00% | 4.00% | 100.00% |
| Before covid | 100.00% | 0.00% | 100.00% |
| difference | -4.00% | 4.00% |
- Paste in a summary that lets you see the relationship between the variables when there are 1000 rows (use F9 to make sure the summary in part (d) is different to part (c)
| 135 count | 179 count | row total | |
| After covid | 4 | 1 | 5 |
| Before covid | 28 | 0 | 28 |
| You can divide by row totals to get proportions | |||
| 135 % | 179 % | total | |
| After covid | 80.00% | 20.00% | 100.00% |
| Before covid | 100.00% | 0.00% | 100.00% |
| difference | -20.00% | 20.00% |
e) Discuss parts (a) , (b) , (c) and (d) , discuss what are the variables and what is the relationship variables in the sample and the population, give a discussion that could be understood by someone who has not done a statistics course before you should mention large datasets from the same population give similar answers
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Smooth Manifolds
Authors: Rajnikant Sinha
1st Edition
8132221044, 9788132221043
