Practical Math | Working with Data-Part 1 | 3rd attempt questions

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The line graph shows Calvin's savings account balance at the end of each month for 6 months. About how much more money did Calvin have in his account at the end of June than at the end of February? (https://static.k12.com/nextgen_media/assets/1387901-PRM_A_01_17_LineGraph_Q6.jpg)

$100

The data set shows the numbers of flowers that students on a field trip correctly identified. What is the mode of the data set? 8 5 3 9 12 9 2 3 6 11

3 and 9

The frequency distribution shows the lengths, in inches, of available baseball bats at a batting cage. (https://static.k12.com/nextgen_media/assets/1387899-PRM_A_01_17_FreqDistTable_Q2_2.jpg) What is the mean of the frequency distribution?

30.3

The data set shows the numbers of hours that employees at a certain shop worked in one week. What is the mean number of hours they worked that week? 27 28 30 33 28 40

31

The data set shows the ages of members in a book club. What is the club's median age? 22 45 16 26 38 61 38 35

36.5

In a survey, respondents were asked which type of movie they watched most often. The bar graph shows how many males and how many females said they watched each type of movie most often. How many more females said they watched drama movies than comedy movies? (https://static.k12.com/nextgen_media/assets/1387896-PRM_A_01_17_DblBarGraph_Q5.jpg)

4

The histogram shows the number of items that customers bought during a trip to the grocery store one day. Four hundred customers took a trip to the grocery store that day. Which is the best estimate for the number who bought at least 50 items during their trip? (https://static.k12.com/nextgen_media/assets/1387900-PRM_A_01_17_Histogram_Q9.jpg)

65

The line plot shows the number of different colors that art students used in a colored-pencil sketch. How many art students used 8 or more colors? (https://static.k12.com/nextgen_media/assets/1387902-PRM_A_01_17_LinePlot_Q8.jpg)

7

A survey asked stamp collectors how many stamps they have in their collection. The box plot summarizes the responses. Between what two numbers do the middle half of the responses fall? (https://static.k12.com/nextgen_media/assets/1387895-PRM_A_01_17_BoxPlot_Q10.jpg)

70 and 93

The stem-and-leaf plot shows the number of words in the classified ads in a newspaper one day. How many ads had at least 15, but fewer than 30, words? 1 | 0 3 3 5 7 9 2 | 0 0 1 4 5 3 | 3 8 8 4 | 7 5 | 2 key:1 | 0 = 10

8


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