@- The CAT Scores of bo Students are
Summarized below:
class 40-50 50-60 60-70 70-80 890 9o-lod
Frequency 10 8 12 15 10 5
Calculate the sample variance and the
standard deviation for the grouped data.
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this was a great idea to check the computer
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Answer:
Mean will be 68.57 standard deviation will be 15.2839 and variance will be 233.5975
Explanation:
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