What is the z score for test scores of 70 and 90?  TEST SCORES: 50,60,61,63,66,67,73,82,89,92

Q: The third quartile of, 2,4,4,5,6,7,8 6 7

A: 2,4,4,5,6,7,8 Median = mid value = 5

Q: Fifty-two students identified as male out of 121 responding. Test the claim that fewer statistics…

A: (A) State the hypotheses.

Q: Determine the P-value for a one-sided test with z = 1.89

A: here given , hypothesis test is one tail  test statistic  =  1.89  use excel command for p -value

Q: 89, 72, 100, 87, 65, 98, 77, and 92  1. Calculate the mean test score.

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Q: 4th Data Set: 2,1,2,4,3,7,5,8,5,6,2,1,14 So practice with these.

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Q: find 2nd quartile for given data 56,89,74,16,32,24,98,9,75,25,15,49

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Q: Calculate the coefficient of variation for products sold per store using this sample data 0, 77, 38,…

A: From the provided information, The data values are as follow: 0, 77, 38, -5, 44, 62

Q: find 2nd quartile  for given 2,69,74,52,16,46,42,75,85,63

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Q: Compute the mean of 67, 30, 52, 78. Round to 2 decimal places as needed Your Answer: Answer

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Q: The five-number summary for scores on :a statistics exam is .and 97 83 ,77,68,35 In all, 196…

A: The five-number summary is, minimum value, lower quartile, median, upper quartile and maximum value.

Q: what is an average

A: You want a meaning of average.You know average is also called as mean which is one of the Measures…

Q: The grades on a recent test were 89, 72, 100, 87, 65, 98, 77, and 92.  1. Calculate the median test…

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Q: B. Find the indicated decile. 75, 78, 73, 71, 59, 64, 74, 56, 61, 71, 59, 64, 75, 78, 73, 74, 56, 61…

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Q: What z-score separates the top 20%?

A: Let top 20% of data has Z score  be Z.  Proportion to right of Z  is 0.2. So the proportion of data…

Q: The median of the data 82, 139, 79, 148, 102, 128, 112, 92 is_ O 102 107.00 O 214.00 O 158.00 O 112

A: Given  The data are 82, 139, 79, 148, 102, 128, 112, 92 N=8

Q: A survey of daily travel time had these results (in minutes): 26, 33, 65, 28, 34, 55, 25, 44, 50,…

A: The appropriate test for the given data is z-test . to find z-scores.

Q: The data represents the number of patients died because of road accident per year for a sample of…

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Q: Describe about the Converting a Raw Score to z.

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Q: 93, 93, 32, 60, 68, 85, 96  Find the standard deviation

A: We have given that,  The data set,  93, 93, 32, 60, 68, 85, 96 Then, We will find the standard…

Q: find 2nd pecentile for given data 59,85,67,74,63,98,75,85

A: We have given that,  The data set is,  59,85,67,74,63,98,75,85 Then,  We will find 2nd percentile =…

Q: What raw score guesses define the middle 95% of the scores?

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Q: find the value between z score -2.9 and 1.5287

A: To find: Find the value between z score -2.9 and 1.5287

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: Find the mean. Round to two decimal places. 4,-2,7,7, -1, 3, 1, 6, 3, 1, 11, 3, 6, 3, 4, 5,4, 3, 7,…

A: Mean value for a dataset is computed by dividing the sum of the observations by the total number of…

Q: find  2nd quartile for given data  58,98,74,65,35,95,74,14,35,63

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Q: 11. The scores of the Top 15 Semi-finalists on the Ms. Universe Philippines are as follows: 85, 85,…

A: Given problem Given that   The scores of the Top 15 Semi-finalists on the Ms. Universe Philippines…

Q: A sample consists of the following n = 6 scores: 5, 5, 5, 8, 8, 8 What is the Z-score for the raw…

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Q: Describe about the z TEST FOR A POPULATION MEAN.

A: Z-test for significance of a single mean: The z-test is appropriate when population standard…

Q: how to compute a z score with table

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Q: What's the Z score and how is it calculated?

A: We know z-score is used in many fields. But we should know what is the meaning of z-score and how to…

Q: The test scores of students on 3 points a linguistics course are the following: 80,78,75,68,90. find…

A: we have to find the mean for given data..

Q: . The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93,…

A: The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93, 94,…

Q: The 25th and 75th percentile points

A: Given Data is :

Q: What will be the table and the Lower quartile, Upper Quartile, and median freom this raw scores:…

A: Bin Frequency cf 0-10 1 1 10-20 2 3 20-30 3 6 30-40 3 9 40-50 1 10 50-60 1 11 60-70 3…

Q: How to find the z score in statistics

A: Given, How to find the z score in statistics.

Q: Determine the test score of John in Statistics if he has a z-score of 1.89. (SD = 4, mean = 82)

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Q: find mean and sd of data 401,506,804,205,904,506,120,580,354,742,581,354,952

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Q: 8, 7, 10, 6, 7, 16, 8, 16 Find the mean weight of these cats. If necessary, round your answer to the…

A: It is given that the weight of 8 cats.   Mean: It is the sum of the observations divided by the…

Q: How to count z-score?

A: Let X follows the normal distribution with mean µ and standard deviation σ.

Q: What is the value of D4 in the scores of the random 10 students from Science: 22, 21, 26, 28, 24,…

A: Solution-: Given data: 22, 21, 26, 28, 24, 20, 27, 26, 26, 29 We want to find D4=?

Q: What is the median score achieved by a student who recorded the following scores on 10 math quizzes?…

A: Given score achieved by  the students are  68 , 55 , 70 ,62 ,71, 58, 81 ,82, 63 ,79 Arrange it in…

Q: What is the composite scores

A: Composite score is the average score. For the three students composite score=total score or raw…

Q: what is the z=score for a student with a pulse rate of 78? 68, 78, 79, 80, 85, 85, 87, 88, 90, 91,…

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Q: Determine the test score of John in Statistics if he has a z-score of 1.9. (SD = 4, mean = 85)

A: Given that in statistics, John has z-score of 1.9 where mean score is 85 and SD is 4. Here, to find…

Q: Here are the scores for 15 students on a math test. 89, 86, 88, 92, 94, 91, 77, 75, 82, 93, 81, 87,…

A: Please refer to the image below

Q: What is the value for MD for the following set of difference scores?  3, -8, 6, -4, -2

A: Calculate Mean Deviarion of given difference scores from the following data3,-8,6,-4,-2

Q: 200, 400, 800, 1000, 2000} In z-score normalization, what value should first number (200) be…

A: Given data set: x={200, 400, 800, 1000, 2000}   Z=? Z= (x-Mean)/S.D   So 1st we need to find mean…

Q: find mean  and mode 2,5,6,8,6,2,7,8,5,4

A: In statistics, three measures of central tendency are widely used. These three measures are also…

Q: Give the test statistic. O z = 1.64 Ot= 1.58 Ot= 1.64 Oz= 1.58

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Q: I dont understand how to find a z score in statistics in psychology

A: Solution: Let X be the random variable.