# Statistics Worksheets - Page 6

Online Statistics Worksheets
Statistics Worksheets
• Page 6
51.

 a. no, the graph is not misleading b. yes, uneven values c. yes, broken scale d. yes, divisions are not equally spaced

52.
Which of the following graphs is/are misleading?

 a. Graph 3 and Graph 4 b. Graph 1 and Graph 2 c. Graph 2, Graph 3 and Graph 4 d. Graph 1, Graph 3 and Graph 4

53.
The sales of a local electronic goods store in a particular month is shown in the bar graph. What was the difference between the sales of washing machines and refrigerators during that month?

 a. 40 b. 20 c. 10 d. 30

54.
The line graph displays the weight (kg) of Gary over a few years . Calculate the change in his weight from 1994 to 1995.

 a. 1 kg b. 4 kg c. 0 kg d. 3 kg

55.
Brad's annual income is given in the table. Choose the correct line graph and determine the year in which there is a significant increase in his income.
 YEAR 1990 1991 1992 1993 1994 1995 1996 INCOME(\$) 60 62 64 66 76 78 82

 a. Graph 2, 1996 b. Graph 1, 1992 c. Graph 2, 1994 d. Graph 1, 1994

56.
The table shows the scores obtained by Chris in math tests conducted over 7 weeks. Which of the line graphs represents his scores? Also find the range.
 Tests Test 1 (T1) Test 2 (T2) Test 3 (T3) Test 4 (T4) Test 5 (T5) Test 6 (T6) Test 7 (T7) Test Scores 70 65 68 73 75 80 82

 a. Graph 1, 17 b. Graph 1, 27 c. Graph 2, 13 d. Graph 2, 37

57.
The scatter plot shows John's weight loss recorded on a weekly basis by his doctor. In the scatter plot $y$ represents John's weight in pounds and $x$ represents the time in weeks. Identify an equation for the line that best fits the data.

 a. $y$ = $\frac{5}{2}$$x$ + 170 b. $y$ = 2$x$ + 170 c. $y$ = - $\frac{5}{2}$$x$ + 170 d. $y$ = - 2$x$ + 170

58.
Find the equation of the best fitting line for the scatter plot shown, if possible.

 a. $y$ = $x$ + 3 b. $y$ = $\frac{1}{3}$$x$ + 3 c. $y$ = $x$ - 3 d. not possible

59.
Choose an equation that best fits the data for the scatter plot shown.

 a. $y$ = $\left(\frac{1}{2}\right)x$ b. $y$ = c. $y$ = d. $y$ = 2$x$ + $\frac{5}{2}$

60.
Draw a scatter plot for the data and find the equation of the line that best fits the data.
 $x$ - 1.2 0 0.6 1.5 2.4 3.3 3.6 $y$ 3.2 2 1.4 0.5 - 0.4 - 1.1 - 1.6

 a. Figure 1, $y$ = $x$ + 0.8 b. Figure 2, $y$ = $x$ - 2 c. Figure 1, $y$ = - $x$ + 1.6 d. Figure 2, $y$ = - $x$ + 2