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2 | |
This arrangement is called a (Refer To: 4-1) |
| | A) | Frequency distribution |
| | B) | A frequency polygon |
| | C) | A pie chart |
| | D) | A stem-and-leaf chart. |
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3 | |
How many days were studied? (Refer To: 4-1) |
| | A) | 11 |
| | B) | 30 |
| | C) | 50 |
| | D) | None of the above |
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4 | |
What was the smallest and largest number of sets sold per day? (Refer To: 4-1) |
| | A) | 1, 8 |
| | B) | 10, 80 |
| | C) | 11, 88 |
| | D) | None of the above |
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5 | |
How many days were there less than 30 sets sold? (Refer To: 4-1) |
| | A) | 15 |
| | B) | 6 |
| | C) | 30 |
| | D) | None of the above |
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6 | |
The actual number of sets sold per day between 60 and 69 is (Refer To: 4-1) |
| | A) | 65, 66, 67, 68, 68 |
| | B) | 60, 69 |
| | C) | Cannot tell from the information given |
| | D) | None of the above |
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7 | |
The quartile deviation is |
| | A) | The square root of the variance. |
| | B) | Based on the middle 50 percent of the observations. |
| | C) | In squared units of the original data. |
| | D) | Appropriate only for symmetric distributions. |
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8 | |
In a symmetric distribution |
| | A) | The mean, median, and mode are equal. |
| | B) | The mean is the largest measure of location. |
| | C) | The median is the largest measure of location. |
| | D) | The standard deviation is the largest value. |
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9 | |
A coefficient of skewness of -2.73 was computed for a set of data. We conclude that |
| | A) | The mean is larger than the median. |
| | B) | The median is larger than the mean. |
| | C) | The standard deviation is a negative number. |
| | D) | Something is wrong because the coefficient of skewness cannot be less than -1.00. |
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10 | |
A scatter diagram: |
| | A) | Is a graphic tool designed to portray the relationship between variables. |
| | B) | Uses interval or ratio scale data. |
| | C) | Does not allow negative values. |
| | D) | Both A and B are correct. |
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