Over the past several months customers at steiny's department store have been asked to fill out customer satisfaction surveys. In the surveys the customers rate their shopping experience on a scale of 0 to 100. Here are eight recent ratings.

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

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Q: A population is normally distributed with µ = 86 and σ = 12. For this population, what is the 78th…

A: The population mean is 86 and population standard deviation is 12. The 78th percentile is, The…

Q: The percentage of female high school graduates who enrolled in college is given in the table below.

A: Given information: The data represents the percentage of female high school graduates enrolled in…

Q: Among the people in the age class "18 - 24", what is the percentage of people who prefer "Soft…

A: Given that Number of people who prefer soft drinks and in the age class 18 - 24 = 90 Number of…

Q: If you are told only that you scored in the 80th percentile, do you know from that description…

A: p-th percentile means that there are p% of the values are less than that value. Here, you scored in…

Q: Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients…

A: Total patient=60 Patient who showed no improvement=24 To calculate: what percent of patients…

Q: In the past a number of car makers produced a wide range of classic cars that continue to increase…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, as per…

Q: Given: Test scores are 59 95 82 78 66 82 65 78 66 66 79 82 66 82. Find the PERCENTILE for the test…

A: We have to percentile for 79 ..

Q: At a local Dunkin’ Donuts, a survey showed that out of 1,090 customers eating lunch, 327 ordered…

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Q: The junior and senior classes of a high school surveyed their respective classmates to help decide…

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Q: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: Given the data set below, construct a frequency histogram with 5 classes and label it correctly.

A: Plot the frequency histogram.   The frequency Histogram is constructed below as follows:   From the…

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Given Information:  The raw test scores ranged from 0 to 100. Nebraska, decided to give a…

Q: If a person’s z score equals -2.02, what is their percentile?

A: Given problem Given that   Given Person's z score =  -2.02 Using the Standard Normal Table ( Z Table…

Q: what are the percentages of each individual fruit?

A: What are percentage of each individual

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

A: Given: Number of samples (n) =39 Formula: Note: If "L" is a whole number then the value of the…

Q: A local anime fan club surveyed its members regarding their viewing habits last weekend, and the…

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Q: The selling prices in thousands of dollars for homes located on Long Beach Island in New Jersey are…

A: Given: Data on selling prices for homes on four locations of Long Beach Island in New Jersey. The…

Q: The 12th percentile is (Round to two decimal plac

A: X~ N(μ=46 , σ= 7) then Z=X-μσ=X-467 ~N(0,1) Let P12 be the 12th percentile and is defined as P(X ≤…

Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?

A: Solution

Q: For the data represented by the Stem and Leaf diagram shown below , answer (True) or (False):

A: Sort the data from stem and leaf as follows,…

Q: The junior and senior classes of a high school surveyed their respective classmates to help decide…

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Q: The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela…

A: Given data isMean(μ)=73.08standard deviation(σ)=6

Q: THE SALE PRICE OF THE SIX TOWN HOUSES SOLD IN 2020 were…

A: Given Information :

Q: Determine whether the following variables are qualitative or quantitative, and explain why. The…

A: The qualitative variable is a variable that does not has a measurement or counting (numerical…

Q: For his Sociology project, Keith chooses a stratified sample of 10%, which reflects these age…

A: here given , for his sociology project ,keith chooses a stratified sample of 10% , so here selecting…

Q: In a class of 10 students, James got 3rd position from the lowest. What is his percentile rank?

A: Given data: In a class of 10 students, James got 3rd position from the lowest. To find: What is his…

Q: Based on the histogram above, what is the frequency of the class containing the value 14

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Q: Find the 40th percentile of the following 9 numbers. 1, 1, 3, 3, 3, 5, 5, 8, 9 O 1 O 2 O 3 4 O 5 6.5

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Q: If a person’s z score equals 2.08, what is their percentile?

A: Given info: The person’s z score equals 2.08.

Q: Determine whether the following variables are qualitative or quantative, and explain why.  The…

A: Quantitative data are values or counts quantities, and are represented as numbers. Qualitative data…

Q: A survey of 1179 adults nationwide  asked what irks you most about The actions of other Motorist"The…

A: Given: Number of People surveyed=1179 People voted for tailgater=796 To find: Percentage(x).

Q: The results of a nationwide aptitude test in Mathematics are normally distributed with μ=80 and…

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Q: Find 44th percentile, P44, from the following data

A: Given data, we need to arrange it in ascending order. P44=?

Q: What percent of students preferred iced tea?

A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…

Q: A high school has 44 players on the football team. The summary of the players' weights is given in…

A: Given, Max value =256 Min value =154 Median = 203 First Quartile = 166 pounds Third Quartile = 234…

Q: MJ took a sample of 50 pieces of data. She added up all of the pieces of data and then divided by…

A: The objective is to determine which measure of central tendency is used in the given scenario.…

Q: A random sample of students was surveyed and asked to list their grade level and whether or not they…

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Q: Below are the scores that students get from a 50-item online assessment. Compute for the passing…

A: Question1 solved in step2 and Question2 solved in step3

Q: On a reading test, Shaylen's score of 455 was higher than the scores of 4252 of the 7274 students…

A: The percentile of score x is calculated by below formula percentile of score x =Number of data value…

Q: A recent health survey 500 single young men yielded the following information: 385 were a member of…

A: Let, A= member of a sports club B= vegetarian S= total set of 500 people Let x people are members of…

Q: Given this table, what is the relative frequency (expressed as a percent) for red candy found in a…

A: Relative frequency:The ratio of frequency of particular event to the total frequency.  Relative…

Q: Sean also took the SAT (μ=1010,σ=200) and had a z score of +0.25. What was his SAT raw score? What…

A: Given data, μ=1010 σ=200 z-score=0.25

Q: A student answered 78 out of 100 homework questions correctly on the first try. What percent of…

A: Solution-: A student answered 78 out of 100 homework questions correctly on the first try. What…

Q: The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of…

A: GivenMean(μ)=74standard deviation(σ)=8

Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and…

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Q: Given μ=25and σ=4.8,what would be the x-value for the twenty-fifth percentile?

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Q: Marshall took the SAT ( μ=1010,σ=200) and had a raw score of 950. What was his z-score? What was…

A: Given data,  μ=1010 σ=200 Raw score X=950

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS