Data Distribution Answers

Which measure of central tendency should be used when there is an outlier?

This list shows the age at which 43 U.S. Presidents began their terms. 57 61 50 54 54 54 56 54 61 54 48 49 42 51 61 57 68 65 50 51 60 52 57 51 52 47 56 62 69 58 49 56 55 55 43 64 57 64 46 55 51 55 46 Before you can make a frequency table, you need to decide how to set up the age intervals. What is the BEST way to group these ages into six intervals? a. c. b. d. Please select the best answer from the choices provided

A large construction company wants to review the ages of its sales representatives. A sampling of the ages of 25 sales reps are given: 50 42 32 35 41 44 24 46 31 47 36 32 30 44 22 47 31 56 28 37 49 28 42 38 45 The following histogram is a representation of the data. Calculate the mean and median ages.

This list shows how many hours twenty batteries lasted when they ran continually in a flashlight.7831475116586010304046636510932213476493

The frequency distribution chart below represents scores from a math quiz. Which statement best describes the data?

This list shows the lengths in feet of the 25 longest bridges in the United States.1010147016002000280010531495163221503500120015961750215038001207160018002300420013801600185023104260

This list shows the heights in feet of the 30 tallest mountains in the United States.14,26914,36114,47014,83116,23714,27014,37014,49414,95016,39014,28614,41014,50015,30016,50014,29414,42014,53015,63817,40014,30914,42114,57315,88518,00814,34514,43314,73015,97920,320

This list shows the heights in feet of the 30 tallest mountains in the United States. 14,269 14,361 14,470 14,831 16,237 14,270 14,370 14,494 14,950 16,390 14,286 14,410 14,500 15,300 16,500 14,294 14,420 14,530 15,638 17,400 14,309 14,421 14,573 15,885 18,008 14,345 14,433 14,730 15,979 20,320 Jennifer is making a frequency table for the mountain heights. She has created 7 intervals of 1000 feet as shown below. U.S. Mountains Height (ft) Tally Frequency 14,000 - 14,999 15,000 - 15,999 16,000 - 16,999 17,000 - 17,999 18,000 - 18,999 19,000 - 19,999 20,000 - 20,999 What are the frequencies for each interval? a. c. b. d. Please select the best answer from the choices provided

This list shows the number of years that 99 U.S. Supreme Court Justices served.04681315182226311469131519232632146914161923273325791416202328332571014162023283325710141620232834357101517202429343581115172024303435813151821263036458131518212631

Suppose the scores of seven members of a women’s golf team are 68, 62, 60, 64, 70, 66, and 72. Find the mean, median, and midrange.

Sunshine Raisin Company sells snack-sized boxes of raisins. Twenty boxes were randomly selected and the raisins were counted. The results are shown in the list below.4849485048495051454746484549484751474846

This list shows the age at which 43 U.S. Presidents began their terms.576150545454565461544849425161 57686550516052 57515247566269 58495655554364 57644655515546

A random survey was taken in Centerville. People in twenty-five homes were asked how many cars were registered to their household. The results are shown in the list below.1, 2, 1, 0, 3, 4, 0, 1, 1, 1, 2, 2, 3, 2, 3, 2, 1, 4, 0, 0, 2, 2, 1, 1, 1

This list shows the age at which 38 U.S. Presidents died.4658646873809049606570748193536066717783 566367717885 566367717888 576467727990