# Homework Hints 14-3

[tippy title=”Problems 1-4″]Problems 1-4
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend about five minutes in answering each of these questions.[/tippy]

[tippy title=”Problems 5-10″]Problems 5-10
See Example 1.[/tippy]

[tippy title=”Problems 11-22″]Problems 11-22
Use Table 14.9 and symmetry to find the z value.[/tippy]

[tippy title=”Problems 23-24″]Problems 23-24
See Example 2.[/tippy]

[tippy title=”Problem 25″]Problem 25
The standard deviation of a normal distribution is the standard deviation, the number sigma. From the last section, we find know the variance is the square of the standard deviation.[/tippy]

[tippy title=”Problem 26″]Problem 26
A cumulative frequency is the sum of all preceding frequencies in which some order has been established. See Example 1.[/tippy]

[tippy title=”Problems 27-28″]Problem 27-28
See Example 3.[/tippy]

[tippy title=”Problem 29″]Problem 29
The variance is the square of the mean.[/tippy]

[tippy title=”Problem 30″]Problem 30
A cumulative frequency is the sum of all preceding frequencies in which some order has been established. See Example 1.[/tippy]

[tippy title=”Problems 31-34″]Problems 31-34
These problems give you some practice in identifying distributions. See Example 6.[/tippy]

[tippy title=”Problems 35-38″]Problems 35-38
See Example 3.[/tippy]

[tippy title=”Problem 39″]Problem 39
See Example 1.[/tippy]

[tippy title=”Problems 40-41″]Problems 40-41
These problems are included to test your understanding of the term skewed distribution.[/tippy]

[tippy title=”Problems 42-45″]Problems 42-45
See Example 4.[/tippy]

[tippy title=”Problem 46″]Problem 46
Use Table 14.9 and Example 4.[/tippy]

[tippy title=”Problems 47-48″]Problems 47-48
See Example 2.[/tippy]

[tippy title=”Problem 49″]Problem 49
Use Table 14.9 and Example 4.[/tippy]

[tippy title=”Problem 50″]Problem 50
See Example 2.[/tippy]

[tippy title=”Problems 51-52″]Problems 51-52
The standard deviation is the square root of the variance; see Example 2.[/tippy]

[tippy title=”Problem 53″]Problem 53
Use Table 14.9 and Example 4.[/tippy]

[tippy title=”Problem 54″]Problem 54
See Example 3; the shirt sizes are the same as “grades.”[/tippy]

[tippy title=”Problems 55-56″]Problems 55-56
See Example 2.[/tippy]