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10 Cards in this Set
- Front
- Back
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A poll of 1,000 registered voters taken prior to the 1992 presidential election showed Bill Clinton with 32% of the votes. The figure 32% is an example of a: |
statistic |
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A study of working women's opinions on the present lack of quality, affordable day care in many areas interviewed 75 women. these 75 women comprise a: |
sample |
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The actual amount of liquid contained in each can of a 6-pack of 12 ounce Coke cans is recorded as follows. The mean, median, and mode for the data are: |
11.97, 11.975, 11.85 |
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The number of correct responses on a 10-question pop-quiz in a class of 5 students are 8, 3, 9, 7, and 6. The sample standard deviation for this set of scores is: |
2.3 |
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A five-number summary consists of: |
min, Q1, Q2, Q3, max |
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A researcher interested in the age at which women are having their first child surveyed 250 women having at least 1 child and found bell-shaped distribution with a mean age of 22.3 years and a standard deviation of 5.4. According to the empirical rule, approximately 95% of the women had their first child between the ages of: |
11.5 and 33.1 years |
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A group of 50 graduating seniors at City High took the SAT college entrance exam and the resulting mean and standard deviation were 1,183 and 42 respectively. A student scoring 1,252 has a z-score of: |
1.64 |
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In a small town, for each officer the probability of being available when needed is 0.95. If it is assumed that the officers' availabilities are independent of one another, the probability that both are available when needed for one emergency call is? |
0.9025 |
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After studying a sample of 500 students at State University, a researcher investigating the study habits of college students concludes that college students study an average of 10.25 hours per week during the academic year. This statement is an example of: |
inferential statistics |
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When a distribution is left-skewed, how does the mean compare to the median? |
the mean is less than the median |
