The data of lifespan (in hours) for 16 flashlight batteries tested by ACE Company is recorded below. 45 33 30 22 77 56 50 60 i) Calculate the mean and variance. 54 50 38 40 ii) Determine the modal value. Hence, interpret its meaning. 27 34 66 55

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A: It is given that the histogram that represents the amount of sugar (mg) on horizontal axis and the…

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A: Solution: x(1) Frequency (f)(2) f⋅d(4)=(2)×(3) cf(6) 50 2 -2 -4 2 60 5 -1 -5 7 70=A 9 0 0…

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Q: Part 2 of 4 Compute the P-value. Round the answer to four decimal places. P-value = %3D

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A: Given data: Let , X =  12,14,1,7,6,212,14,1,7,6,2 n = 11 To calculate: The mean of the data

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A:

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A: X=826746485223736288231046385298942158238117n=17

Q: Use the following data for this exercise: 15 34 46 36 34 28 52 28 a. Calculate the mean, the median,…

A: Sample size  = n = 8. Data: 15, 34, 46, 36, 34, 28, 52, 28.

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A: From the given data we find the solution.

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A: The data values are:123202821252520253124262815

Q: A study was conducted to examine the impact of speaking in public on college students. A class of 15…

A:

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Q: The two data sets are dependent. Find d to the nearest tenth. A 56 59 55 63 51 27 25 21 25 22 41.0…

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A:

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A: The objective is to find out the predicted foot length for a student with an arm span of 160cm.

Q: 6. Construct the median EH. TI G

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Q: 26 14 30 45 20 21 27 32 40 Age of residents in a neighbourhood 50 9 37 40 36 13 3. Create a…

A: 26 45 27 50 40 52 12 28 48 52 14 20 32 9 36 10 36 51 42 130 21 40 37 13 35 57 47 42 53

Q: Looking at the histogram for the data, what is the height (frequency) of the 4th bar on the…

A: Solution-: From the given data we draw the histogram and find the height (Frequency) of the 4th bar…

Q: The table below shows the frequency of AP Biology scores for a high school class. AP Score…

A: Given data,   AP Score(x) Frequency(f) Cumulative frequency f*x 1 5 5 1*5=5 2 7 12 2*7=14 3…

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Q: Find the variance for the following data 72,62,52,45 Round to three decimal places

A: Answer: Given data is, 72,62,52,45 Sample size (n) = 4