What is the 90th percentile of the following set of numbers: 4, 8, 9, 11, 13, 17, 20?

Q: How smart is your phone? A random sample of 10 samsung Galaxy smartphones being sold over the…

A: The random variable X follows normal distribution. We have to construct the 99.8% confidence…

Q: find 40 th percentile   10,15,18,16,19,20,24,15,26,20,22,25,28,17

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Q: The weights (in pounds ) of 16 preschool children are:…

A: Ans#- Given data,            32, 27, 34, 30, 48, 44, 40, 45, 23, 25, 41, 24, 39, 46, 43, 26…

Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

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Q: Students scored the following grades on a statistics test: 80, 80, 82, 84, 85, 86, 88, 90, 91, 92,…

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Q: Find the 1rst quartile and 3rd quartile of the following numbers  41,43,46,47,48,50,51,52,53,54,55

A: The given numbers already in the increasing order: 41,43,46,47,48,50,51,52,53,54,55 Median = middle…

Q: Find 54th percentile, P54, from the following…

A: Enter the data in excel as shown below

Q: LOCA- TION 1 DATA 49 POINT LOCA- 13 TION DATA 78 2 63 14 78 3 63 15 78 4 68 16 80 70 17 83 6 72 18…

A: here total observations = n = 24  no. of observations below 90 = 20 percentile of 90 = ?

Q: Section 1. IQ tests supposedly measure our intelligence. They typically are 'normed' so that they…

A: We have given that  Mean = 100 Standard deviation = 15

Q: A set of 100 values has a median value of 40. What is the value of the 75th percentile in this set…

A: Introduction: Percentiles are used in statistics to divide a set of numerical values into 100 equal…

Q: compute for the 2nd quartile, 7th decile and 75th percentile

A: Given that  We have to find the 2nd quartile, 7th decile, 75th percentile :

Q: Make up another set of six scores that are not all the same but in which the mean, median and mode…

A: It is needed to obtain a set of six scores.

Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: The serum cholesterol levels (in ) of 15 individuals are 247, 252, 257, 220, 206, 259, 237, 189,…

A: The serum cholesterol levels (in ) of 15 individuals (ascending order) are , 189, 191, 198, 201,…

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: You have a sample of 10 (sorted) scores:   -15.5 -13.4 -12.7 -12.2 -11.1 -10.8 -9.1 -8.9 -7.9 -7.1…

A: -15.5-13.4-12.7-12.2-11.1-10.8-9.1-8.9-7.9-7.1Sample of size(n)=10

Q: What is the percentile for Colorado, where 10.1% of the residents are aged 65 and olde

A: From the stem plot, we can see that only 4 of the 50 states (7.0%,8.8%,9.8% and 10.0%) having…

Q: On a hockey team, there are 14 players. The captain of the team scored on the team, and less than…

A: Given : There are 14 players Captain of the team scored 35 goals last year, which is more than 10…

Q: The test score of a sample of 20 students in a class are as follows: 20, 30,21, 29 10,17,18,15, 27,…

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Q: What is the weighted mean of the numbers 10%, 30%, 60%, 70, 86 and 94

A: The formula of weighted mean is given by…

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: If you have the following test scores: 84, 66, 78, 96, 60, and 72, what is your mean test score?

A: The answer is given below:

Q: The serum cholesterol levels (in ) of 17 individuals are 220, 240, 257, 218, 203, 215, 254, 228,…

A: Given data set, 220, 240, 257, 218, 203, 215, 254, 228, 242, 198, 189, 208, 196, 249, 247, 206,…

Q: 1, 6, 6, 6, 7, 7, 8, 9, 13, 10, 17 The 10th percentile would be

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Q: 3 An animal shelter has a 61% adoption rate for puppies. Of all puppies in the shelter, 77% live to…

A: The probability of selecting two items whos individual probability are p and q is given by; P(x)=p·q

Q: teacher

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Q: What is the percentile rank of a bag that contains 1025 chocolate​ chips?

A: The mean is 1252 and the standard deviation is 129.

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

A: The mean is the average of all the values, or it is the sum of all the values divided by the number…

Q: The test score of a sample of 20 students in a class are as follows: 20, 30, 21, 29 10, 17, 18, 15,…

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Q: The weights (in pounds) of 16 preschool children are 20, 34, 35, 49, 37, 41, 40, 27, 39, 45, 36,…

A: The data set is: 20 34 35 49 37 41 40 27 39 45 36 29 46 30 43 47

Q: Find the 20th and the 75th percentiles for these weights?

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Q: What percent of students earned an "A" grade of 90% or higher? TEST SCORES:…

A: Solution: The given data is 50, 60, 61, 63, 66, 67, 73, 82, 89 and 92. Total number of scores is 10.

Q: What number of offenses falls at the 30th percentile? The 80th percentile?

A: Data is given for number of offences for year(2014 to 2013) We have to calculate 30th and 80th…

Q: You have a sample of 10 (sorted) scores: -15.5 -13.4 -12.7 -12.2 -12 -10 -9.1 -8.9 -7.9 -7.1…

A: From the provided information,Number of observations (n) = 10

Q: what is the range for the following set of scores: 64, 12, 27, 57, 32 ? enter your answer as a whole…

A:

Q: (e) Percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device. Percentage…

A: Percentage is a ratio expressed as a fraction of 100. The percentage is denoted by the symbol %. The…

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

A: Solution-: Given data:  70,73,68,83,78,80,89,88,65 We find percentile rank of a test score of 76=?

Q: What is the total number of scores in the data set

A: The grouped frequency distribution of GPA is given. GPA f 1.50-1.99 3 2.00-2.49 3 2.50-2.99…

Q: find 40th percentile 14,16,18,19,20,24,25,26,28,29,30,32,35,36,38,39

A: Givan Arranging Observations in the ascending order, We get :…

Q: There were 34 females that weighed over 250 pounds. What percent of females aged 20 to 29 weighed…

A: Given data,  N~(161.61,48.95)  i.e., μ=161.61σ=48.95   If n=34 P(X>250)=?

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: find out 73 rd percentile  45,69,35,69,87,314,45,12,20,14,11.3

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Q: Find the mean, median, and mode for the following scores: 8, 7, 5, 7, 0, 10, 2, 4, 11, 7, 8, 7

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Q: What is the 60th percentile of following numbers 49,50,55,55,60,67

A: The numbers as follows 49,50,55,55,60,67

Q: Find the mean, median, 1rst quartile and 3rd quartile of the following numbers:…

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Q: Which student has a larger

A: We have given the data of Sarah and. Elaine

Q: What z-score forms the boundary between the highest 20% and

A: Let us define x as the value that separates highest 20% and the rest of the scores. That is,…

Q: The weight of 20 preschool children are 45, 40, 38, 33, 35, 23, 36, 20, 21, 22, 39, 47, 40, 25, 42,…

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