15. Proportion and percentage Aa Aa A statistics content developer at Aplia want

Question

15. Proportion and percentage Aa Aa A statistics content developer at Aplia wanted to know whether study skills are related to memory quality. She invited student volunteers to perform an online memory task. The students saw a list of 60 words and were then asked to recognize a list of five brand-new words that are completely unrelated to words that were on the original list. Students were also asked to provide their GPA:s Consider the following data set, which was collected from student volunteers in 2009. The table gives the frequency for five GPA intervals. Use the dropdown menus to complete the table by filling in the missing values for the proportions and percentages. GPA Interval f Proportion Percentage 44% 3.50-3.9944 0.44 3.00-3.49 39 2.50-2.99 12 2.00-2.49 3 1.50-1.99 3 1 0.03 3% 0.03 3% Note: Although there is a convention to use 10 intervals, this problem has 5 intervals for simplicity

Explanation / Answer

The first graph is scatter plot with straight lines and markers of the given freuqncy distribution. This type of graph is used when there is few data points in x - axis and the data represents seperate values. It is also useful to see the trend between indpendent and dependent variable.

THe Second graph is Scatter Plot with smooth lines and markers. This type of graph is used when there is few data points in x - axis and the data represents a function to display.

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