Thirty automobiles were tested for fuel efficiency (in miles per gallon). This frequency distribution was obtained. Class
Question:
Class boundaries Frequency
7.5–12.5 ..........3
12.5–17.5 ...........5
17.5–22.5 .........15
22.5–27.5 ...........5
27.5–32.5 ...........2
Find the variance and standard deviation.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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