I’m trying to learn for my Statistics class and I’m stuck. Can you help?
Homework Assignment #1 – Measures of Central Tendency and Variability (remember the equations below, for computing Z and the Variance):
- You will need to take the 7 raw scores from the table below, fill in each space in the table, and answer questions A through F below.You need to make sure that you round everything to the hundredth decimal, as described in the Tegrity modules.
- You will need to take the 7 raw scores from the table below, fill in each space in the table, and answer questions A through F below.You need to make sure that you round everything to the hundredth decimal, as described in the Tegrity modules.
|
Participant |
Score |
Sum of Squares |
score |
|
|
1 |
48 |
|||
|
2 |
86 |
|||
|
3 |
74 |
|||
|
4 |
76 |
|||
|
5 |
60 |
|||
|
6 |
46 |
|||
|
7 |
60 |
- Mean =
- Median =
- Mode =
- Variance ( =
- Standard Deviation (=
- What is the estimated percentile for the participant with the highest and lowest z-score above?
- Lowest % & corresponding z-score =
- Highest % & corresponding z-score =
|
Participant |
Score |
Sum of Squares |
score |
|
|
1 |
14 |
|||
|
2 |
32 |
|||
|
3 |
30 |
|||
|
4 |
29 |
|||
|
5 |
17 |
|||
|
6 |
22 |
|||
|
7 |
15 |
- Mean =
- Median =
- Mode =
- Variance ( =
- Standard Deviation (=
- What is the estimated percentile for the participant with the highest and lowest z-score above?
- Lowest % & corresponding z-score =
- Highest % & corresponding z-score =
