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What's More
Independent Activity: Study and analyze
The number of shoes sold per day at a retail store is shown in the table
below. Illustrate the mean, variance, and standard deviation of this
distribution.​


Whats MoreIndependent Activity Study And AnalyzeThe Number Of Shoes Sold Per Day At A Retail Store Is Shown In The Tablebelow Illustrate The Mean Variance And S class=

Sagot :

Answer:

X P(x) x•P(x) x-u (x-u)² (x-u)²•P(x)

19 0.4 7.6 2.7 7.29 2.916

20 0.2 4 3.7 13.69 2.738

21 0.2 4.2 4.7 22.09 4.418

22 0.1 -1.8 5.7 32. 49 3.249

23 0.1 2.3 6.7 44.89 4.489

______ ______

16.3 17.81

Step-by-step explanation:

Tignan niyo lang ang picture, nandun ang sign, wala kasi sa keyboard ko yung sign eh.

The variance of the probability distribution is 17.81

The satandard deviation is ó=(square root) 17.81=4.22

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