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Q: Create a Scatterplot of y against estimated median SAT among college freshmen.

A: Here, we have given the data for 2016 graduation rate and full-time undergraduate student to faculty…

Q: b) Rachel received the following scores on the midterm and final examinations in his introductory…

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

Q: The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the…

A: The cumulative frequencies are obtained in the below table:

Q: What is the frequency of the 4th class, how many students took the math test, and what is the…

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Q: What percentage of the shoppers have an email account

A: In the question it is asked to calculate the percentage of shoppers that have an email account.

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: One month is what percentage of a year, given that there are 7 days in a week, 4 weeks in a months…

A: One month is what percentage of a year,  given that there are 7 days in a week, 4 weeks in a months…

Q: Find the median of the following list of numbers: 39, 6, 25, 58, 64, 74, 10, 41. Give your answer to…

A: Median is defined as that value of the observation such that half of the values lies above it and…

Q: 12. Mr. Hamilton's class is going to an amusement park. The table shows the heights of the students.…

A: 4 feet = 48 inches so all the students above and 48 inches are allowed thus find the percentage by…

Q: Forbes magazine published data on the best small firms in 2012. These were firms which had been…

A: age frequency relative frequency cumulative relative frequency 40-44 3     45-49 11     50-54…

Q: The lowest mark scored for a certain examination in a statistics class is 11. If the midrange of the…

A: Given that Minimum = 11 Midrange = 29

Q: Create a Scatterplot of y against percentage of Pell Grant recipients among freshmen.

A: The data for 2016 graduation rate and full-time undergraduate student to faculty ratio is given as-…

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: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…

A: solution:  The difference is that Marla’s exam in her statistics class was graded by percent of…

Q: According to FBI data, 12% of burglaries.   What should we conclude if the detective clears all…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: What is the frequency of deaths measured from 2000 through 2004

A: We have to find the frequency of death measured from year 2000 to 2004

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: Statistics jobwant workstatus age tv gpa Valid 134 133 133 132 134 Missing 1 1 Mean 23.29 3.88 2.50…

A: Given info: From the given SPSS output, the number of hours participants watch television in a…

Q: Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this…

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is…

Q: . The result of an English exam show a mean score of 55 and a standard deviation of 6. What percent…

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Q: The average of 7 consecutive even integers is 20. What is the median

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Q: MarkLines is an online portal (www.marklines.com) that reports automotive industry data. The table…

A: The list of car manufacturers are given and their sales in the years 2017 and 2018 respectively are…

Q: uppose Laura, a facilities manager at a health and wellness company, wants to estimate the…

A: GIven dataPopulation    Population description    Population mean (unknown)     Sample size…

Q: The cumulative frequency diagram shows information about the ages of employees in two companies.…

A: The range of a data is found by the difference between the largest value and the smallest value. IQR…

Q: Here are 11 numbers in sorted order. -49, -45, -42, -37, -35, -35, -28, -25, -25, -21, -19 What is…

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Q: stimate the proportion of all households that are very satisfied from the house they are living

A: The given data represents the responses of 50 households on their satisfaction level from the house.

Q: a rate compares two numbers from different categories true or false

A: A rate is a ratio that compares two different quantities that have different units of measure. A…

Q: There are five numbers in a data set. They are 3, 2, 16, 19 and x, where x is one of the largest two…

A: Given that x is one of the largest two numbers of the five. That means x will lie in the 4th or 5th…

Q: reate a Scatterplot of y against full-time undergraduate student-to-faculty ratio.

A: The data for 2016 graduation rate and full-time undergraduate student to faculty ratio is given as-…

Q: Find the median of the calls received on 7 consecutive days 11, 13, 17, 13, 23, 25, 19.

A: Given observations are : 11, 13, 17, 13, 23, 25, 19.

Q: find 30th percentile   10,15,18,16,19,20,24,15,26,20,22,25,28,1

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Q: Empirical Rule Name Date 500 freshmen at Crescent High School took an algebra test. The scores were…

A:

Q: There are five numbers in a data set. They are 3, 1, 16, 20 and x, where x is one of the largest two…

A: The value of x is one of the largest two number of the five. that is, the x value must be greater…

Q: In a certain company, every worker was given a $900 raise. How does this affect the median of the…

A: Given information- We have given that in a certain company, every worker was given a $900 raise. We…