4.A student has completed 20 courses in the School of Arts and Sciences. Her grades in the 20 courses are shown below.ABABCCCBBBBABBBCBCBAa.Develop a frequency distribution and a bar chart for her grades.b.Develop a relative frequency distribution for her grades and construct a pie chart.

Full file at PTS:1TOP:Descriptive Statistics5.A sample of 50 TV viewers were asked, "Should TV sponsors pull their sponsorship from programs that draw numerous viewer complaints?" Below are the results of the survey. (Y = Yes; N = No; W = Without Opinion)NWNNYNNNYNNYNNNNNYNNYNYWNYWWNYWWNWYWNWYWNYNYNWYYNYa.Construct a frequency distribution and a bar chart.b.Construct a relative frequency distribution and a pie chart.ANS:a and bFrequencyRelativeFrequencyNo240.48Yes150.30Without Opinion110.22Total501.00

Full file at PTS:1TOP:Descriptive Statistics6.Below you are given the examination scores of 20 students.5299928684637276958892586579809075745699a.Construct a frequency distribution for this data. Let the first class be 50 - 59 and draw a histogram.b.Construct a cumulative frequency distribution.c.Construct a relative frequency distribution.d.Construct a cumulative relative frequency distribution.ANS:a.b.c.d.CumulativeCumulativeRelativeRelativeScoreFrequencyFrequencyFrequencyFrequency50 - 59330.150.1560 - 69250.100.2570 - 795100.250.5080 - 894140.200.7090 - 996200.301.00

Full file at Total201.00PTS:1TOP:Descriptive Statistics7.The frequency distribution below was constructed from data collected from a group of 25 students.Height(in Inches)Frequency58 - 63364 - 69570 - 75276 - 81682 - 87488 - 93394 - 992a.Construct a relative frequency distribution.b.Construct a cumulative frequency distribution.c.Construct a cumulative relative frequency distribution.ANS:a.b.c.CumulativeHeightRelativeCumulativeRelative(In Inches)FrequencyFrequencyFrequencyFrequency58 - 6330.1230.1264 - 6950.2080.3270 - 7520.08100.4076 - 8160.24160.6482 - 8740.16200.8088 - 9330.12230.9294 - 9920.08251.001.00PTS:1TOP:Descriptive Statistics