In the last 57 matches Akram's batting average and standard deviation of runs were 25 runs and 3 runs respectively. In the last 39 matches Shoaib's batting average and standard deviation of runs were 20 runs and 5 runs respectively. a. Determine the combined mean runs for Akram and Shoaib. Answer in exact fraction, or rounded to at least 4 decimal places runs b. What is the combined standard deviation of runs of both Akram and Shoaib? Answer in exact fraction, or rounded to at least 4 decimal places

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Problem 4
In the last 57 matches Akram's batting
average and standard deviation of runs
were 25 runs and 3 runs respectively. In the
last 39 matches Shoaib's batting average
and standard deviation of runs were 20
runs and 5 runs respectively.
a. Determine the combined mean runs for
Akram and Shoaib.
Answer in exact fraction, or rounded to at least 4
decimal places
runs
b. What is the combined standard deviation
of runs of both Akram and Shoaib?
Answer in exact fraction, or rounded to at least 4
decimal places
Transcribed Image Text:Problem 4 In the last 57 matches Akram's batting average and standard deviation of runs were 25 runs and 3 runs respectively. In the last 39 matches Shoaib's batting average and standard deviation of runs were 20 runs and 5 runs respectively. a. Determine the combined mean runs for Akram and Shoaib. Answer in exact fraction, or rounded to at least 4 decimal places runs b. What is the combined standard deviation of runs of both Akram and Shoaib? Answer in exact fraction, or rounded to at least 4 decimal places
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