Compute standard deviation and its coefficient from the following data: - -10 10-15 15-20 20-30 30- 40 40 50 50-60 60-70 8 : 11 9 . 3 4 12 17 31

Q: The population standard deviation of this data set    0, 10, 10, 10 ,10 , 10, 10, 10, 20 is…

A: Given data is,0, 10, 10, 10, 10, 10, 10 ,10 , 20sample…

Q: The results from a recent 10-point quiz are as follows: 10, 8, 10, 6, 7, 3, 5 a. What is the mean…

A: According our policy we can answer only first three subpart for remaining please repost the…

Q: ange = tandard deviation (8) = QR = (Please enter an exact answer.) new number, 207, is added to the…

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Q: male 9 male 6 male 7 male male 8 male 6 male 8 male 7 male 9 male male 7 male 8 male 5 male 9 male 7…

A: We have given the data on Gender and their hours of sleep. We have to find the mean and standard…

Q: TTI Age Classmark Frequency Cum. Frequency 20 43 28-32 33-37 38-42 43-47 48 - 52 30 35 40 20 23 71…

A: Ans :-  Given data Class Frequency 28 - 32 20 33 - 37 23 38 - 42 71 43 - 47 45 48 - 52…

Q: 2. Selected STEP students from four different year levels took the MTG qualifying examination. The…

A: Given information: x f 50 to 54 4 45 to 49 3 40 to 44 11 35 to 39 7 30 to 34 9 25 to…

Q: 18. What is the standard deviation of the data {7, 1, 7, 10, 5, 3, 2}? 5.0 2.7 3.0 O 9.0

A: Given data:  7,1,7,10,5,3,2

Q: Number of Frogs Caught Daily Next to my House   29 23 14 13 23 22 16 24 27 25 26 19 21…

A: Standard Deviation (SD) : Standard deviation is used to explain how the data points are deviated…

Q: Given a sample of survey results about how long does a family spend thein daily time on TV. Find…

A: Given data is Time(minutes) No. of family 0 - 29 8 30 - 59 5 60 - 89 16 90 - 119 7 120…

Q: QI/ For the following data find: a. Mode b. Median c. Standard deviation Class 25-30 30-35 35-40…

A: Given: N=105 Class Midpoint Frequency Cumulative frequency 25-30 27.5 2 2 30-35 32.5 8 10…

Q: Suppose​ 18% of​ movie-goers say that horror is their favorite movie genre. If a random sample of…

A: Obtain the mean number of movie-goers that prefer horror movie genre. The mean number of movie-goers…

Q: We are going to calculate the standard deviation for the following set of sample data. 7,2,11,15,2…

A: 1) The observations are 7, 2, 11, 15, and 2.

Q: Find the range, sample standard deviation and inter-quartile range (IQR) of the following data Sel…

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Q: 3. Using the table below, answer the following correctly. Number of hours Student No. Hours (x) 1 45…

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Q: 16 19 22 24 25 27 33 40 63 70 17 20 23 24 25 29 35 41 65 71 17 20 23 25 26 30 36 42 65 73 18 21 23…

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Q: Tim is a researcher who is dealing with a SAMPLE of scores.  The SAMPLE of scores is: 14, 16, 18,…

A: Given observation SAMPLE of scores is: 14, 16, 18, 13, 13, 19, 21, 11 n = 8

Q: 27 34 36 36 42 48 54 60 86 ange: (Please ent

A: We see that, the data set is arranged in ascending order. Range is the difference between maximum…

Q: professor who teaches a large introductory statistics class (197 students) with eight discussion…

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Q: Find the variance and standard deviation of the given set of data to the nearest tenth. {530, 150,…

A: As we know that varience is of set of data V(x)=1n∑i=1nxi-μ2  and standard deviation is SD=V(x)

Q: Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set.…

A: The formula's are  range (R)=maximun value-minimum valuestandard deviation…

Q: Which of the following has the large st standard deviation? 1, 1, 3, 5, 5 O 1,2, 3, 4,5 O 1,4, 7,…

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Q: Calculate Standard deviation of the following data : No. of Employees : 10-19 20-29 30-39 40-49…

A: Given: No. of employees No of firms 10-19 6 20-29 11 30-39 14 40-49 6 50-59 3

Q: Prestigious University desires to accept only the top20% of all graduating seniors based on the…

A: Given: μ=500σ=100 The z- value is obtained as below:…

Q: Calculate the standard deviation, variance and co-efficient of variance of the following data. 45,…

A: The given data is, 45 32 37 46 39 36 41 48 36

Q: Compute the mean, median, mode, variance and standard deviation of the following data. An…

A: Wing span in mm Number of insects 15-19 5 20-24 10 25-29 32 30-34 42 35-39 76 40-44 110…

Q: Consider the following two datasets: Dataset 1                       Dataset 2 1      9…

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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…

A: Let, the given values are x .  x = 1, 5, 6, 9, 12, 12, 15, 23, 55  Substitute each value in the…

Q: Suppose a normally distributed set of data has a mean of 163 and a standard deviation of 17. Use the…

A: Given μ=163σ=17

Q: In a randomized controlled trial, insecticide-treated bednets were tested as a way to reduce…

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Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Data on GNP per capita and Birth Rate (births per thousand inhabitants) for a sample of 14 countries…

A: from the above table correlation coefficient ( r ) = -0. 7306 ..... ( up to 4 decimal places ) R -…

Q: In a study of speed dating, female subjects were asked to rate the attractiveness of their male…

A: Range of a data set is the difference between the minimum and maximum observations.

Q: Q2) A researcher wants to know if the mean times (in minutes) that people watch their favourite news…

A: Given the data as TV Channel 1 TV Channel 2 TV Channel 3 45 15 72 12 43 37 18 68 56 38 50…

Q: Calculate the population coefficient of variation for the following data 12,   9,    7,    10,…

A: From the provided information, The mean and standard deviation of data can be obtained as:

Q: 35 29 26 33 29 27 30 22 19 29 29 29 32 29 29 33 25 19 19 22 Find the Mean, Median, Mode, Midrange,…

A: We have given the data, first, we have to arrange the data in ascending order. 19 19 19 22 22…