Match the histograms on the right to the summary statistics given. 20- Standard Deviation Мean Median 10- 59 59 1.7 65 65 11 II 59 59 9 29 39 49 59 69 79 89 IV 59 59 19 (а) 1. (a) (b) (c) 99 119 (d) (b) 10- 40 50 60 70 80 90 (c) 10- louanbal Frequency

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A: Given data,

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Q: 20. Find the mean and standard deviation of the following data:

A: Class Frequency 1 - 5 2 6 - 10 5 11 - 15 2 16 - 20 1

Q: =9, median =13, standard deviation -5 Find the coefficient of skewness (round to two decimals)

A: Answer: From the given data, Mean (x¯) = 9 Median = 13 Standard deviation(s) = 5

Q: 2. Find a. Range b.. Mean absolute deviation (MAD) c. Sample standard deviation and d. Variance from…

A: Given information: The data for the class interval and frequency is given.

Q: llustration 10.6. Calculate the standard deviation of the follow- ing data Class Frequency 1-3 3-5…

A:

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A: Given that                      We have to find sample standard deviation :

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A: Given: data to find: i) mean ii) median iii) mode

Q: Explain the percentage slabs under the Standard Deviation Rule?

A: The percentage of slabs under the standard deviation rule or empirical rule is discussed as follows:

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

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A: given: data to find  i) range ii) variance iii) standard deviation

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A: Head circumferences of some males have a bellshaped distribution : Bell shaped distribution means…

Q: Scores on a test have a mean of 56 and a standard deviation of 3. Michelle has a score of 88.…

A: Given,mean(μ)=56standard deviation(σ)=3michelle's score(x)=88

Q: IQ scores are normally distributed with a mean of 100 and standard deviation of 15. What is the…

A: GivenMean(μ)=100standard deviation(σ)=15

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A: According to the given information, we have Systolic  blood pressure values are approximately…

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A: Mean=3290gmStandard deviation =520gm

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A:

Q: 9. To the left of z= 1.35 10. To the left of z = 0.54

A: The standard normal distribution is a continuous probability distribution whose mean and standard…

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A: Given data table is,Agemalesfemales0 - 910510 - 1910720 - 29171630 - 39181640 - 49212250 - 59232560…

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A: Given that Xbar= 20  mean= 40  standard deviation = 10 We have to find z score:

Q: Find the standard deviation for the grouped data.

A: Solution; Interval Frequency (f) midpoint(x) fx (x-x)2 f*(x-x)2 50-59 7 54.5 381.5 351.5625…

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A: Let "X" be the pulse rates of women.

Q: Lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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A: # Height of people follow normal distribution with mean=180 cm and standard deviations=10 cm  Then…

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A: Z= x-μσ

Q: Mean =7, median =10, standard deviation =3 Find the coefficient of skewness (round to two decimals)

A: Answer: From the given data, mean = 7 median = 10  and standard deviation = 3

Q: 4. Calculate the variance and standard deviation for the students score data. Score 10-14 15-19…

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A: i have given all the formulas where i have used them

Q: Find the mean and standard deviation for each sample of values. (Round your answers to three decimal…

A: The mean value gives an idea of the central or the average value of the data.

Q: Mean=8, median =11, standard deviation = 5 Find the coefficient of skewness (round to two decimals)

A: Answer: From the given data, mean = 8 , median = 11  and standard deviation = 5