percentiles ticket out door

Find the percentile for the Mariners who won 68 games.

• 6th

• 20th

• 23rd

• 21st

The Washington National's number of wins puts them in the 70th percentile. How many wins does that represent?

• 21

• 93

• 95

• 89

Find the percentile for the phone that sold for $350.

• 35%

• 33%

• 23%

• 28%

During the 2019 season, the mean number of wins for Major League Baseball teams was 81 with a standard deviation of 15.9 wins. Find the standardized score (z-score) for the Washington Nationals, who won 92 games (and the World Series!).

• 0.69

• -0.69

• 11

• 0.73

The heights of 25 students in Mrs. Garrett's statistics class have a mean of 67 inches and a standard deviation of 4.29 inches. Boris, a member of the class is 75 inches tall. His z-score is 1.86. Interpret this value.

• Boris's height is 1.86 standard deviations above the mean.

• Boris's height is in the 186th percentile.

• Boris is really tall.

• Boris's height is almost 3 deviations above the mean.

According to the Los Angeles Times, speed limits on California highways are set at the 85th percentile of vehicle speeds on those stretches of road. Explain to someone who knows little statistics what that means.

• 85% of the vehicles go slower than that speed.

• 85% of the vehicles go faster than that speed.

• Most highways in California have a speed limit of 85 mph.

• Most highways in California have a speed limit of less than 85 mph.

Based on data from the 2016 Current Population Survey, the percent of residents age 65 or older in the 50 states and the District of Columbia has a mean 15.62% and standard deviation 1.83%. The standardized score for Florida is z = 2.34. Find the percent of the state's residents that were 65 or older.

• 19.9%

• 21.1%

• 23.4%

• 18.7%

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored worse than you did

• You earned a 55% on the exam

• You failed the exam

• 45% of the class scored worse than you did

The 75th percentile is also know as the

• median
• third quartile
• 1st quartile`
• interquartile range

Here are the weights (in pounds) of 10 puppies: 4 4 5 7 8 8 8 10 12 13 What is the percentile of a 5 pound puppy?

• 30th percentile

• 20th percentile

• 70th percentile

• 30th percentile