The order of the bars in a bar graph for a nominal-level variable is 1 pointfrom lowest to highest.from highest to lowest.arbitrary.determined by frequency of occurrence.

n a bar graph, what do the vertical bars typically represent?CategoriesTime periodsNumerical valuesRatios

In a bar chart, what does the height of each bar represent

When drawing a pareto chart the bars shouldSelect one:a.use numerical data and be ordered from highest to lowestb.use numerical data and be ordered from lowest to highestc.use categorical data and be ordered from lowest to highestd.use categorical data and be ordered from highest to lowest

The number of phone calls received by four participants in a study are asfollows 2, 12, 5 and 7. Let x denotes the number of calls received.10. **Find ∑xA. 676B. 52C. 26D. 22211. **Find (∑x)²A. 26B. 52C. 676D. 22212. **Find ∑x²A. 222B. 676C. 26D. 5213. Which of the following is NOT true of a bar graphA. The height of the bars represents the frequency of the categories.B. Categories are marked on the horizontal axis.C. The bars are drawn adjacent to each other.D. Frequencies are marked on the vertical axis.14. A data set containing information on each member of a sampleor population is known asA. organised dataB. grouped dataC. census dataD. ungrouped data15. Raw data is BEST defined asA. Unprocessed information that has not been recorded or collected.B. Processed information that has not been interpreted.C. Unprocessed information recorded in the sequence in which it wascollected.D. Processed information that has been interpreted.

A graphical representation of a frequency distribution in which vertical bars centered above scores on the x-axis that touch each other is called a ______.Choose onehistogrambar graphpie graphfrequency polygon