Part 1 of 3 Assuming that averages on a statistics exam are normally distributed, arrange the following in ascending order. i. an average with a percentile rank of 76% ii. an average at the upper (3rd) quartile iii. an average with a z-score of 0.75

Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A: Given data points57, 58, 60, 63, 63, 58, 59, 62, 62, 63, 61, 59, 58, 54, 77We need to find quartile1…

Q: What is the 90th percentile in a t-distribution with 12 degrees of freedom?   a. 1.356 b. 1.796 c.…

A: The kth percentile implies the value, below which k of the total observations lie.

Q: ACT scores The Mathematics section of the ACT test had a mean of 20.9 and an SD of 5.3 for the years…

A: a) μ=20.9σ=5.3 Let X be the random variable indicating students score, then the required probability…

Q: 1.- The scores for a Prestatistics exam are given: 90 79 73 61 76 93 33 87 15 49 87 36 a. Construct…

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Q: Find Mean Deviation : (i) about Mean (ii) about Median, in the following data: 2, 7, 9

A: Given data is2, 7, 9

Q: 1. Range 2.  15th percentile 3. Interquartile Range

A: Range = Maximum - Minimum = Upper limit of last class - Lower limit of first class = 70 -10 = 60

Q: Calcium is essential to tree growth because it promotes the formation of wood and maintains cell…

A: The question is about confidence interval Given : Confidence level = 0.98 Randomly selected samples…

Q: Draw a box and whisker plot for the following data:   20   18   31   38    25    33    50     42…

A: Given data is, 20 18 31 38 25 33 50 42 Arrange the observations in ascending order. 18 20 25 31 33…

Q: The following is a partial histogram illustrating the course grade distribution for an introductory…

A: A partial histogram depicting the percentage of total students that took different courses, is…

Q: The distribution of heights of adult men is approximately normal with mean 69 inches and standard…

A: Given that: Mean = 69 inches Standard deviation = 2.5 inches

Q: alculate the 40th percentile of the data shown, 1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7

A: Answer:- Given data,               1.1,5.5,9,14.3,20.6,24.3,25.6,27.1,27.6,28.7               Find…

Q: We have provided simple data sets for you to practice finding the descriptive measures discussed in…

A: The ascending order of the given data is as follows: 1,1,2,2,3,3,4,4,5,5.

Q: The relationship between the mean and the median for the N(0, 1) distribution is: a. mean>median…

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Q: Justify data in term of: a. The first quartile, b. T

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The scores on the Wechsler Adult Intelligence Scale are approximately Normal, with  = 100 and  = 11.…

A: The scores on the Wechsler Adult Intelligence Scale are approximately Normal

Q: What percent of the data fall below the 1st quartile?   1.  0% 2. 25% 3. 50% 4. 75% 5. 100%

A: The first quartile is denoted by Q1 and this is the median of lower half of the data set.

Q: Please Show your work The teachers of an advanced placement math class and an advanced placement…

A: Data is given for score and corresponding frequency for math and English . First we have to…

Q: 1. 2. 3.

A: From the above diagram, it can be seen that the  1 is right skewed graph.  2 is uniform graph or…

Q: Obtain two quartiles, 7th Decile and 68th percentile from the following items: S. No. : 1 2 4 5 6 7…

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Q: Calculate the 23th percentile of the data shown x 26.8 27.3 30.9 33 33.9 34.9 39.7 53.4 53.8 69.2

A: The provided information is as follows:26.827.330.93333.934.939.753.453.869.2The number of…

Q: How will you evaluate the MID-RANGE from the following series of data: 15,17,13,16,12,15,18,19,22,20…

A: Given: Data, X 15 17 13 16 12 15 18 19 22 20

Q: what percent of the total population is found between the mean and the z-score given? z=3.58

A: We have given that. Standard normal.  X~N( 0 , 1 )   μ =0  , ? =1   Z-score =( x - μ )/?   z= 3.58

Q: Use a table of z-scores and percentiles to find the percentage of data items in a normal…

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Q: 2. Consider the below data set: which one of these employees is in the 30th percentile? Which ones…

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Q: 5. Use the following values to answer the items below:              4, 4, 4, 5, 5, 6, 6, 6, 6, 7,…

A: 4, 4, 4, 5, 5, 6, 6, 6, 6, 7, 8, 8, 9, 9, 10, 11

Q: Can you assist me in answering this? (this is not graded but, rather, an excersice conducive to…

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Q: B. Your process has a normal histogram with mean located at 10 mm, 1s points at 9.9 and 10.1 mm, 2s…

A: Consider the give information in which a process has a normal histogram with mean located at 10 mm.

Q: Consider the following data: 2.1, 4.6, 2,7.3, 0.5, 3.1,8,0.9,9,9.7. Calculate the inter-quartile…

A: The interquartile range is 6.525.Explanation:The interquartile range is the distance between the…

Q: The mean score on this test is: The median score on this test is:

A: Here given frequency distribution of 10 point quiz  Test score = xI   Frequency  = fi

Q: State whether you would expect the following distribution to exhibit low, moderate, or…

A: Introduction: The variable of interest is the daily high temperatures in City P in March.

Q: a. Compute the first quartile (Q,), the third quartile (Q), and the interquartile range. Percentage…

A: Solution-: We find, (a) Q1 , Q2 and IQR (b) List the five number summary (c) Construct the boxplot…

Q: Calculate the 70th percentile of the data shown x 1 4.3 6 8 20.5 23.3 23.6 25 26.7 29.8

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Q: Calculate the 75th percentile of the data shown

A: The Kth percentile formula is, L=K100×Nthposition In the formula N is the sample size. The data is…

Q: The percentile is the:   Question 5 options:   same thing as a percentage.   percentage of scores…

A: