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: