QUESTION 19
The graph that could be used to describe some categories of nominal or ordinal data is
| A. |
histogram |
|
| B. |
frequency polygon |
|
| C. |
bar chart |
|
| D. |
stem-and-leaf display |
|
| E. |
I do not know |
3.75 points
QUESTION 20
A preliminary sample of holiday shoppers revealed that the standard deviation of the amount of money they are planning to spend on gifts during the coming holiday season is $80. How many holiday shoppers should be sampled in order to estimate the average amount of money spent on gifts by all holiday shoppers with a margin of error of $7 and with a 99% confidence?
| a. |
867 |
|
| b. |
664 |
|
| c. |
970 |
|
| d. |
892 |
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QUESTION 19 The graph that could be used to describe some categories of nominal or ordinal...