2.) Find the median of the data set: 3, 41, 11, 3, 11, 5, 10
3 and 11 10 11 12
3.) Find the mean of the data set: 8, 5, 11, 7, 9, 9, 5, 2
7 7.5 8 9
4.) How does the addition of the values 90 and 103 affect the median of the following data set?: 3, 4, 7, 8, 8, 11, 12, 15, 17
no change increase from 4 to 8 increase from 8 to 11 increase from 7 to 23
5.) How many more students play sports than work?
3 5 8 20
6.) Which ordered pair represents B on the coordinate grid?
(-1, -5) (-1, 5) (5, -1) (5, 1)
7.) Sarita recorded the number of minutes the bus was late. Organize her data in a frequency table:3, 7, 0, 4, 10, 6, 8, 5, 6, 7, 11, 12, 7, 4, 8, 17, 15, 12, 13, 5
Use the following graph for questions 8 and 9 8.) What is the median amount of rainfall for the months plotted on the graph?
16 17 18 20
9.) Why might this graph be misleading?
inches instead of centimeters uses dots to mark data points horizontal divisions too far apart rainfall range only shows 10-20 in.
10.) Nancy surveyed the class to determine how many pets each student had. Which type of graph would be most appropriate to display her data?
stem and leaf plot line graph double line graph bar graph
11.) In 1980 East Town Middle School had 340 students. In 1990 there were 420 students and in 2000 there were 560 students. Which shows the data accurately in a table?
12.) Find the median of the data set: 3, 4, 7, 3, 3, 4, 4
3 3.5 4 4.1
13.) Find the mean of the data set: 4, 7, 3, 2
3.5 4 5 7
14.) What is the median of this data set with and without the value 17?: 17, 5, 7, 5, 3, 5
5, 4 5, 5 5, 17 17, 7
15.) Which family received the least junk mail?
Barker Smith Douglas Wu
16.) Which ordered pair represents point D on the coordinate grid?
(6, 7) (7, 6) (-6, -7) (7, -6)
17.) Lana's friends have the following eye colors: blue, brown, brown, green, blue, brown, gray, brown, blue, green. Organize her data in a frequency table.
18.) Estimate how many students pack their lunch on Thursday?
150 175 190 200
19.) The line graph shows the price of a stock for one entire week. Why is this graph misleading?
The changes in price are exaggerated because the scale does not start at zero. Saturday and Sunday are not included.
Use the following plot for this question and question 21: 20.) How many times does the number 15 occur in the stem-and-leaf plot?
0 1 2 15
21.) What is the median value of the data on the stem-and-leaf plot?
15 22 23 35
22.) Deval records the number of animals owned by his classmates. What is the most appropriate graph to display his data?
line graph bar graph (histogram)
23.) Valeria measures the outside temperature once every hour for 6 hours. What is the most appropriate graph to display her data?
