Here are some statistics for the number of minutes it took each of 9 members of the track team to run 1 mile. - mean: 7.3

- median: 7.1

- standard deviation: 1.1

- Q1: 6.8

- Q3: 7.4

When a tenth time is added to the list, the standard deviation increases to 1.5. Is the tenth time likely an outlier?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.