IF YOU ANSWER THE QUESTIONS ALL CORRECT I WILL MARK YOU BRAINIEST! 1. What is the interquartile range of the data set shown? {3,4,4,5,7,10,11,12,15}

2. What is the upper quartile of this data set? {66,66,67,69,70,72,72,73,75}

3. What is the lower quartile of the following data set? {23,23,24,27,31,33,34,38,40}

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step

If the value of cos330°is√3/2 then find cos 165°.

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%