The distribution of chocolate chips (x) in a cookie is shown in the following table. Find the mean, variance, and standard deviation of the number of chocolate chips in a cookie. X                P(X = x) 0                 0.01 1                 0.03 2                 0.05 3                 0.11 4                 0.13 5                 0.24 6                 0.22 7                 0.16 8                 0.05

Q: What is the variance of the small DATA: 7, 13, 5, 9, 16 a. 4.47

A: The data is given as follows 7 13 5 9 16

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A:

Q: Scores 30-34 6. 35-39 16 40-44 15 45-49 12 50-54 4

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Q: Find out the variance for the following data. 22, 18, 25, 15, 30 a. 76.2 b. 72.6 c. 27.6 d. 26.7

A:

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.