In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 34% would be considered a:
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1DA. Population/parameter/sample/statistic/inferential/descriptive
In a survey of 1000 adults, 34% found they prefer charcoal to gas grills. The 34% would be considered a:
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1DA. Population/parameter/sample/statistic/inferential/descriptive
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The average age of students in a statistics class is 28 years. The 28 years would be considered an example of:
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1DA. Population/parameter/sample/statistic/inferential/descriptive
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The ages of 20 first graders would be considered:
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1DB. Qualitative/quantitative/nominal/ordinal/interval/ratio
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The ratings of 50 movies would be considered:
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1DB. Qualitative/quantitative/nominal/ordinal/interval/ratio
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A researcher randomly selects and interviews fifty male and fifty female teachers. This sampling technique is called:
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Random
Cameras are set up to watch an intersection and determine how many cars are let through with each green light interval. This study design would be considered:
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Which of the following would be the mean of this data set: 5, 7, 12, 36, 14, 12, 33, 21
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1VA. Calculating mean/standard deviation/variance (population and sample)
1DE. Mean/median/mode/right skewed/left skewed/normal
1DF. Range/variance/standard deviation (population and sample) and shape of distribution,�
Which of the following would be the variance of this population data set: 3, 6, 8, 9, 4, 5, 7, 1, 9, 7, 15, 4, 3, 1
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1VA. Calculating mean/standard deviation/variance (population and sample)
What is the relationship between variance and standard deviation?
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1VA. Calculating mean/standard deviation/variance (population and sample)
1DF. Range/variance/standard deviation (population and sample) and shape of distribution, examples
A meteorologist wants to create a graph that displays thehigh temperature for each day for the past30 days.�Which of the following graphs might be most effective to use?�
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Given the following data: 12.1, 56.8, 14.4, 45.2, 14.4, 23.7, 14.4, 21.3, 17.6. Determine themean
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In manufacturing, cluster sampling could be used to determine if the machines are operating correctly. Which of the following best describes this type of sampling?
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A graph shows vertical bars with the number of data points on the y-axis and groups on the x-axis. This graphic is most likely to be:
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1VD. Graphs: histogram, circle graphs, scatter plots in Excel
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Match the terms and their definitions
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1VD. Graphs: histogram, circle graphs, scatter plots in Excel
1DA. Population/parameter/sample/statistic/inferential/descriptive
1DB. Qualitative/quantitative/nominal/ordinal/interval/ratio
1DC. Random/cluster/stratified/convenience/systematic
Match the terms and their definitions
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Links to an external site. (DOCX)
1DF. Range/variance/standard deviation (population and sample) and shape of distribution, examples
Links to an external site. (DOCX)