ACTIVITY 1: PRACTICE Directions: Examine each histogram, then answer the following questions. a. Does the graph represent a probability distribution? Explain your answer. b. Estimate the mean. Explain your answer. c. Compute the actual mean. d. Tell whether the distribution has a small or large variance. Explain your answer e. Compute the actual variance and standard deviation. 1. Histogram 0,5 0,4 0,3 0,2 0,1 98 99 100 101 102 X- discrete random variable

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Q: In Exercises, we have provided simple data sets for you to practice the basics of finding a…

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Q: 20 40 60 80 100

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Q: Solve for the range, variance, and standard deviation of this data: 40, 34, 50, 46, 47, 39.

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Q: A stock analyst wondered whether the mean rate of return of​ financial, energy, and utility stocks…

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Q: Scores 51-58 59-66 67-74 Class Mark, A 54.5 62.5 70.5 Frequency, 3 7 15

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Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

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A: The data is 1, 2, 4, 4. The population size is 4.

Q: coefficient of variation is 30%. Its mode Is 88. Find the mean and the median.

A: Here given, Pearson's coefficient of SKEWNESS = 0.4 Coefficient of variation  = 30% = 0.30 Mode = 88…

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