The Pointers are my notes and definitions that will help you with the material.
| Section | Pointers |
|---|---|
| Section 3.1 | Pointers 3.1 |
| Section 3.2 | Pointers 3.2 |
| Section 3.4 | Pointers 3.4 |
| Section 3.5 | Pointers 3.5 |
IRA and Homework Videos:
Section 3.2
HW #6 (3.2.31)
Strategy for working with the Empirical Rule.
Create a number line showing the percent of data expected to be in each interval, then use the number line to help you answer the problems.
Video Link: https://youtu.be/XmW44SVHVZM
HW #7 (3.2.42)
Reformatting data - in this problem you must find the standard deviation for the females and the standard deviation for the males, as well as the standard deviation for both groups combined.
This video will show you how to build a new column in StatCrunch that contains the values of the two separate columns.
Video Link: https://youtu.be/s2N365hJDBg
Section 3.4
HW #8 (3.4.29)
Computing z-scores for a series of values.
This video will show you how to use Data > Compute > Expression in StatCrunch to perform the z-score calculations for an entire column of data.
Video Link: https://youtu.be/jgBgqx4asaw
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