Table below show the weight of 80 winter melon harvested from a farm called Fruitful. Weight (kg) 3-5 5-7 7-9 Frequency y y+6 3y-8 2y+1 11 9-11 11-13 (a) Find the mean and median for this datas + (b) Find the variance and standard deviation for this dataset. +

Q: how to calculate the variance?

A: Given  The data is as follows: Overall mean = 4.07 Variance = 0.00130 SD = 0.1140

Q: 下riday Day of the Week no. of unit sol0 mon tue wed 4 Thu Sat dNT 3 Sunday 3.

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A: If we need to know the variance within samples, we need to use ANOVA Test.

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Q: When data is normally distributed the mean equals the mode. True

A: Normal distribution

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Q: Find the mean and variance of

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Q: Find the variance of these data

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Q: 1, 5, 6, 9, 12, 12, 15, 23, 55 transfrom the data using yi=-2x+6. calcualte the mean, variance, and…

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Q: What is the mean, variance, and standard variation of this data?

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A: Suppose, data is X=(10,15,20,25,30)

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A: n1=n2 =30 dfn =n1-1  dfd=n2-1

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A: The question is asking whether it is possible for a data set to have a variance of 625,000.

Q: For the given data. Find 24, 26, 23, 25, 27

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Q: College Entrance Exam shows that the scores are normally distributed with a mean of 125 and a…

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