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A researcher was interested in the anxiety present in students just prior to the midterm exam....

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Statistics

A researcher was interested in the anxiety present in studentsjust prior to the midterm exam. The research used an anxietyself-quiz to gage the student's anxiety. The score for 30 studentsare: 69,61,84,99.66.86.91.94,54,66,77,48,70,70,86,98.56,43,70,88,78,53,85, 40,86,79,58,40,89,70. 1.Construct a frequency table with class, frequency, relative percentand cumulative percent that has 6 classes to describe thedistribution of the data. 2. Use the frequency table to construct ahistogram. 3. Calculate the numerical descriptive statistics mean,median, standard deviation, and variance of the anxiety scores.Please show all work.

Answer & Explanation Solved by verified expert
3.9 Ratings (680 Votes)
1The minimum value 40The maximum value 99Since we need six classes so width of the class is 9940 6 98 That is approx 10 Following table shows the    See Answer
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