A sample of 30 students at a local college were given a test consisting of 10...
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A sample of 30 students at a local college were given a test consisting of 10 questions about current news events. The distribution of the number of correct answers given is recorded in the frequency column of the table. Questions that were not answered were marked incorrect. The frequency represents how many of the 30 students who took the test got a certain number of answers correct. For example, four students answered five questions correctly. Number correct 0 1 2 3 4 5 6 7 8 9 10 x = Frequency 1 1 3 4 3 4 3 2 2 52 You may download the data in your preferred format if you wish. CrunchIt! CSV Excel JMP Mac Text Minitab PC Text R SPSS TI Calc Determine the mean number of points, x, earned on the test. Give your answer precise to one decimal place. points per student A sample of 30 students at a local college were given a test consisting of 10 questions about current news events. The distribution of the number of correct answers given is recorded in the frequency column of the table. Questions that were not answered were marked incorrect. The frequency represents how many of the 30 students who took the test got a certain number of answers correct. For example, four students answered five questions correctly. Number correct 0 1 2 3 4 5 6 7 8 9 10 x = Frequency 1 1 3 4 3 4 3 2 2 52 You may download the data in your preferred format if you wish. CrunchIt! CSV Excel JMP Mac Text Minitab PC Text R SPSS TI Calc Determine the mean number of points, x, earned on the test. Give your answer precise to one decimal place. points per student
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Related Book For
Statistical Techniques in Business and Economics
ISBN: 978-0078020520
16th edition
Authors: Douglas Lind, William Marchal
Posted Date:
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