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18 Cards in this Set
- Front
- Back
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A statistical question is one that anticipates _________ in the data related to the question.
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A statistical question is one that anticipates variability in the data related to the question.
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The answer to a statistical question accounts for ________ in the data related to the question.
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The answer to a statistical question accounts for variability in the data related to the question.
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Which of the following is not a statistical question? Why not? A. How old am I? B. How old are the students in my school?
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B is a statistical question becuase it anticipates that there will be variability in the students' ages. A is not a statistical question because the answer will be a single number, with no variability.
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What is the median for the following set of test scores? 3, 6, 5, 4, 2, 1, 1
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The median is 3
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The gym teacher made this graph showing the ages of her students. What is the median age of her students?
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The median age is 5 years old (Gordon).
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This table shows the number of days math students attended extra help after school what is the mean, median, and range in number of days for the data set?
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mean: 17 median: 16.5 range: 5
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This graph shows the height of members of a hiking club. What is the mean and median heights of the hikers?
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mean: 10.5 median: 4
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A bakery sold the following number of cakes over the last 7 days: 22, 35, 56, 44, 62, 40, 60. How many cakes were sold in the last 7 days?
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319 cakes were sold in the last 7 days.
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A bakery sold the following number of cakes over the last 7 days: 22, 35, 56, 44, 62, 40, 60. What was the average number of cakes sold each day?
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The average number of cakes sold each day was 45.5
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A bakery sold the following number of cakes over the last 7 days: 22, 35, 56, 44, 62, 40, 60. What is the median of the data set?
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The median is 44 cakes.
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A bakery sold the following number of cakes over the last 7 days: 22, 35, 56, 44, 62, 40, 60. What is the range of the data?
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The range of the data is 38
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This plot shows the number of students in each teacher's class. How many total students are there total? (Each dot represents 1 student)
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There are 30 students total.
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The plot shows the number of students in each teacher's class. What is the mean (average) number of students in a class?
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The mean number of students is 4.2 (4 would also be acceptable)
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The plot shows the number of students in each teacher's class. What is the median number of students in a class?
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The median number of students is 4.
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The plot shows the number of students in each teacher's class. What is the mode for the data set?
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The mode is 3.
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The _______ for a data set is a measure of the center for that set.
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The median (or mean) for a data set is a measure of the center for that set.
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The median (or mean) for a data set _______ all of its values with a single number.
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The median (or mean) for a data set summarizes all of its values with a single number.
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A measure of _______ for a data set describes how the values in that data set vary with a single number.
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A measure of variability for a data set describes how the values in that data set vary with a single number.
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