Question 82.5 / 2.5 ptsWhen a histogram is constructed for discrete numerical data, there should be spaces between the bars of the histogram.
TrueFalse
Question 92.5 / 2.5 ptsBar charts can typically be formed with the bars vertical or horizontal without adversely affecting the interpretation.
Question 102.5 / 2.5 ptsTo show the relationship between amount of rainfall and the number of car accidents, the best type of graph to use is a scatter diagram.
Question 112.5 / 2.5 ptsA major insurance company believes that for drivers between 16 years of age and 60 years of age, the number of accidents per year tends to decrease as age increases. If this is the case, a scatter diagram should show a negative relationship between the twovariables.
Question 122.5 / 2.5 ptsIn a scatter plot the points should always be connected with a line.
TrueFalse
Question 132.5 / 2.5 ptsA scatter diagram can show whether a pair of variables has a strong or weak relationship, and also whether it is linear or curved.
Question 142.5 / 2.5 ptsWhen using the Histogram tool in Excel to construct a frequency distribution and histogram, the bins represent the upper class limits.
Question 152.5 / 2.5 ptsHistograms cannot have gaps between the bars, whereas bar charts can have gaps.
Question 162.5 / 2.5 ptsAt the end of the school term, students are asked to rate the course and instructor by indicating on a scale of 1-5 how well they liked the course. The data generated from this question are examples of ordinal data.
Correct!TrueFalse
