Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Kurtosis |
Grade: 9-a Lesson: S2-L9 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find Kurtosis for the following data |
|
2 |
Step |
|
|
3 |
Formula: |
Kurtosis formula sk = \$(x_i-\bar{x})^4 / ((n-1)s^4)\$ |
|
4 |
Step |
Mean |
\$(sum f.x) / (sum x)\$ |
5 |
Step |
simplification |
\$1787.5 / 57\$ = 31.35 |
6 |
Step |
standard deviation |
\$(sum f(x _i-\bar{x})^2) / (sum f.x)\$ |
7 |
Step |
simplification |
\$\sqrt(8300.87 / 57)\$ = 12.06 |
8 |
Formula: |
Kurtosis formula sk = \$(x_i-\bar{x})^4 / ((n-1)s^4)\$ |
|
9 |
Step |
simplification |
\$(3281887.07) / (57(12.06)^4)\$ |
10 |
Step |
simplification |
2.71 |
11 |
Answer |
D |
|
Tutor: Questions
| Seq | Type | Question | Audio |
|---|---|---|---|
1 |
Problem |
What did you learn from this problem? |
|
2 |
Clue |
What did you learn from the clues? |
|
3 |
Hint |
What did you learn from the Hints? |
|
4 |
Step |
What did you learn from the Steps? |
|
5 |
Step |
How can we improve the Steps? |
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 13-March-2023 06:00 AM EST