Statistics Chapter

Suppose there are 12 students in the Statistics class. Mrs. Colwell selects 4 students to go home early. In how many ways can she do this?

• 495

• 11,880

• 20,736

• 16,777,216

How many different seating arrangements are possible for our stats class of 10 students?

• 1,000,000,000

• 2,800,300

• 12,300,064

• 3,628,800

Which of the following is NOT an organizational strategy used in statistical counting methods.

• sets/lists

• tables/grids

• tree diagrams

• pictograms

Which of the following is true about this modified box plot.

• The distribution is symmetric

• The distribution is left skewed

• The distribution is right skewed

• The distribution is uniform

What is the best measure measure of center for symmetric data?

• mean

• median

• mode

What is the best measure of center for skewed data or data with outliers?

• mean

• median

• mode

Which of the following is a measure of spread?

• Standard deviation

• mean

• Quantitative

• statistic

What is the relationship between the standard deviation and the variance?

• The standard deviation is the square root of the variance

• The variance is the square root of the standard deviation

• The standard deviation is half the variance

• There is no relationship between the standard deviation and the variance

Which of the following measures are resistant to extreme values? Choose all that apply.

• mean

• median

• standard deviation

• IQR

• variance

An iced coffee has 15 grams of sugar.

Estimate the percentile of this drink to nearest whole percent.

(a)