In: Statistics and Probability
Present the six tasks below in 12-point font with particular attention given to APA style. Use the terms between, among, and statistically significant carefully! Remember, the text PDF files contain APA examples.
Deliverable 1
For each group listed in the table below, list the following (to two decimal places - e.g., 17.54)
1. Mean
2. Median
3. Mode
4. Standard deviation (sample)
5. Variance (sample)
6. n (count)
7. df (degrees of freedom) - hint df = n - 1
| Boys | Girls |
| 5 | 2 |
| 14 | 0 |
| 9 | 1 |
| 6 | 3 |
| 8 | 6 |
| 10 | 1 |
| 12 | 0 |
| 16 | 2 |
| 14 | 4 |
| 15 | 1 |
| 17 | 1 |
| 16 | 0 |
| 12 | 3 |
| 10 | 3 |
| 11 | 7 |
| 14 | 1 |
| 18 | 1 |
| 19 | 9 |
| 20 | 0 |
| 13 | 3 |
Deliverable 2
Pearson Correlation
Use the Pearson Correlation to analyze the data below.
1. Report the strength (number) of the correlation.
2. Is the correlation statistically significant (alpha .05 two-tailed)?
| income $ | fireworks $ |
| 5000 | 500 |
| 10000 | 450 |
| 15000 | 400 |
| 20000 | 350 |
| 25000 | 300 |
| 30000 | 250 |
| 35000 | 200 |
| 40000 | 150 |
| 45000 | 100 |
| 50000 | 50 |
| 55000 | 25 |
| 60000 | 20 |
| 65000 | 15 |
| 70000 | 10 |
| 75000 | 5 |
| 80000 | 2 |
| 85000 | 1 |
| 90000 | 0 |
| 95000 | 0 |
| 100000 | 0 |
| 105000 | 0 |
| 110000 | 0 |
| 115000 | 0 |
| 120000 | 0 |
| 125000 | 0 |
| 130000 | 0 |
| 135000 | 0 |
| 140000 | 0 |
| 145000 | 0 |
Independent-Measures t Statistic (2 sample assuming = variances)
For the data below -
| flashcards | no flashcards |
| 32 | 16 |
| 30 | 22 |
| 29 | 24 |
| 35 | 20 |
| 29 | 25 |
| 38 | 31 |
| 30 | 23 |
| 39 | 19 |
| 27 | 20 |
| 33 | 21 |
| 36 | 18 |
| 30 | 20 |
| 35 | 23 |
| 40 | 24 |
| 37 | 18 |
| 36 | 22 |
| 30 | 17 |
| 34 | 26 |
| 36 | 17 |
| 31 | 22 |
Deliverable 4
ANOVA
For the data below -
|
condition 1 |
condition 2 |
condition 3 |
|
0 |
6 |
6 |
|
4 |
8 |
5 |
|
0 |
5 |
9 |
|
1 |
4 |
4 |
|
0 |
2 |
6 |
Deliverable 5
Based on the findings for deliverable four, determine if a post hoc test is necessary. If necessary: