In a small village the sample of ages of 8 persons are given below as    26,  21,  8,  20,  16,  3,  22,  28 Find the co-efficient of variation from th

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

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Q: A DNP student wants to evaluate the change in knowledge scores of a group of cardiac patients after…

A: In given problem, a DNP student obtains a pretest at the beginning of class and immediately after…

Q: Suppose that the mean score of a class of 29 students was 78. The 16 male students in the class had…

A: From the provided information, The mean score of 29 students was 78. The 16 male students has mean…

Q: The mean monthly salary of 32 men is P28,500 while that of 38 women is P24,400. Find the mean salary…

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Q: When a data set has one or two values that are much higher than all of the others which of our 3…

A: As Mean is found by adding all the values and dividing by the number of values So if one or two…

Q: Gorge  gets 83 or 82  as his grades on his three main subjects Constrict a  sampling distribtuon of…

A: Gorge  gets 83 or 82  as his grades on his three main subjects

Q: Anna is 3 years old and in the 42nd percentile for height in her age group. What does this mean?…

A: Given: 1)Anna is 3 years old and, 2) In the 42nd percentile for height in her age group. In the…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35…

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Q: Explain how can we find the corresponding z-score of an area and a percentile.

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Q: A quantitative data set has 22 observations  when arranged in descending order what is the value of…

A: The quantitative data set has 22 observations.

Q: In a survey, 11 people gave the following ratings for a local politician (on a scale of 0 to 100).…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: In each game of the season a basketball player scored the following:…

A: Solution:Mean ˉx=∑x/n  =(8+19+15+7+8+12+19+16+20+13+10+11)/12  =158/12  =13.1667 Median…

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 30 40 50 60 70 80 90…

A: We have to interprete given box plots.

Q: Find the mean of the following data * ,1,0,1,2,3,4- ,2- ,3-

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Q: We heard that the mean marks of statistics of 100 students of a class of economics majors were 72.…

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Q: There were 5 members of a basketball team, who had a mean score of 12 points each per game. One of…

A: Given n=5, Xbar=12, n=4, Xbarreduced=10

Q: What is the main difference between z score and T score?

A: Z Score and T scores are both used in Hypothesis testing.  Z score is used while using z test and T…

Q: Please explain how you got the 9.36 z-score test statistic?

A: Z for difference of proportion is given by,  Z= p1-p2/(S.E.)  SE is standard error which is…

Q: Age at First Tumor You are a dermatologist studying the relationship between sun exposure and skin…

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Q: 2- The range for the following data: 70,40,6,50,13,8,90,30 is equal to

A: The given data: 70, 40, 6, 50, 13, 8, 90, 30 Formula used: The range of the data is  Range=Xm-Xo…

Q: The third quartile of the data: 22,17,10,35,40,18,9 is equal to

A: we know that  It is the median of uppar values of data. Uppar values mean the data values which are…

Q: A measure of tire wear is the percentage of tire groove lost by the tire since new. A senior JJ…

A: From the provided information,n = 15The data values are as follow:…

Q: find 1st quartile for given data  15,42,63,98,75,63,45,51,63,34,25,19,85

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Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: what is the  z score of 128,101,116,119,131 when the mean is 119 and variance is 36

A: It is given that  Mean, μ = 119 Variance, σ2 = 36 Standard deviation, σ = 6 Z-Score, Z = ( X - μ )/σ

Q: z-score that is greater

A: we can assume it to be standard normal distribution with mean = 0 standard deviation = 1

Q: Find the percentile rank of a test score of 76 for the data set 70,73,68,83,78,80,89,88,65   FULL…

A: Given data is70,73,68,83,78,80,89,88,65

Q: on a 100 item test romel got a score of 88 which is the 9th decile what does it mean

A: Di = i * (n + 1)  10 th data

Q: I had to find the 20th percentile with the following data.    0, 1, 2, 2, 2, 3, 4, 4, 4, 8..... My…

A: We have given the data, 0, 1, 2, 2, 2, 3, 4, 4, 4, 8 And we have to find 20th percentile ?

Q: Which of the three measurements, mean, median, or mode, is the most influenced by an outlier value…

A: Outlier in a data set is the value which is much higher than or lower than almost all other values.…

Q: Determine the test​ statistic, z0. and P-value.

A: The hypotheses for the test are given below. Null hypothesis: H0: p = 0.50 Alternative hypothesis:…

Q: The data table shows the ages in years of 10 men with systolic blood pressure.  The Age,x: 18, 26,…

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