Keenan ordered a set of brown and yellow pins. He received 100 pins in all. 90 of the pins were brown. What percentage of the pins were brown?

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?