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# C3 Study Slides - MAT 151

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### Transcript

• 1. Active Learning Lecture Slides For use with Classroom Response Systems Elementary Statistics Eleventh Edition and the Triola Statistics Series by Mario F. Triola Chapter 3: Statistics for Describing, Exploring, and Comparing Data
• 2.
• Which measure of center is the only one that can be used with data at the nominal level of measurement?
• Mean
• Median
• Mode
• 3.
• Which measure of center is the only one that can be used with data at the nominal level of measurement?
• Mean
• Median
• Mode
• 4.
• Which of the following measures of center is not affected by outliers?
• Mean
• Median
• Mode
• 5.
• Which of the following measures of center is not affected by outliers?
• Mean
• Median
• Mode
• 6.
• Find the mode for the given sample data.
• 79, 25, 79, 13, 25, 29, 56, 79
• 79
• 48.1
• 42.5
• 25
• 7.
• Find the mode for the given sample data.
• 79, 25, 79, 13, 25, 29, 56, 79
• 79
• 48.1
• 42.5
• 25
• 8.
• Which is not true about the variance?
• It is the square of the standard deviation.
• It is a measure of the spread of data.
• The units of the variance are different from the units of the original data set.
• It is not affected by outliers.
• 9.
• Which is not true about the variance?
• It is the square of the standard deviation.
• It is a measure of the spread of data.
• The units of the variance are different from the units of the original data set.
• It is not affected by outliers.
• 10.
• Weekly sales for a company are \$10,000 with a standard deviation of \$450. Sales for the past week were \$9050. This is
• unusually high.
• unusually low.
• 11.
• Weekly sales for a company are \$10,000 with a standard deviation of \$450. Sales for the past week were \$9050. This is
• unusually high.
• unusually low.
• 12.
• In a data set with a range of 55.1 to 102.8 and 300 observations, there are 207 data points with values less than 88.6. Find the percentile for 88.6.
• 32
• 116.03
• 69
• 670
• 13.
• In a data set with a range of 55.1 to 102.8 and 300 observations, there are 207 data points with values less than 88.6. Find the percentile for 88.6.
• 32
• 116.03
• 69
• 670
• 14.
• Which graphic display shows the least detailed information?
• Histogram
• Stem-and-leaf plot
• Boxplot
• 15.
• Which graphic display shows the least detailed information?
• Histogram
• Stem-and-leaf plot
• Boxplot