The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 33 hours and the median is 29.2 hours. Twenty four of the families the sample turned on the television for 18 hours or less for the week. The 16th percentile of the data is 18 hours. Step 2 of how many familles are in the sample? Round your answer to the nearest Integer

Q: Find the percentile rank for each test score in a data set. 12, 28, 35, 42, 47, 49, 50. What value…

A: Given, 12,28,35,42,47,49,50 sample size (n) = 7 Percentile position = (n+1)*p/100  a) For p = 40…

Q: The chart below shows the grade distribution on a quiz in one of my classes. If there are 34…

A: Solution: The objective is to find the number of students who scored A grade

Q: In a recent survey, 8 college graduates were each asked for the number of hours they work each week.…

A:

Q: Marisol randomly surveyed 75 classmates to determine what grade they received in their mathematics…

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Q: A random survey was conducted about gender and hair color. This table records the data. Brown Blonde…

A:

Q: elaine gets quiz grades of 77,85, and 66. she gets a 61 on her final exam. find the weighted mean if…

A: It is given that the quiz grades are 77, 85, and  66. The final grade is 61.

Q: Solve for the percentile of the following numbers. Then sketch its graph. 1. 30th 2. 52nd 3. 15th 4.…

A:

Q: Complete the following statement. If you are asked to find the 85th percentile, you are being asked…

A: If you are asked to find the 85th percentile, you are being asked to find

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: Which of these would be considered a transformed score? a. percentile ranks and t scores b. z scores…

A: Transformed scores are those scores that have been converted from raw scores to meaningful score…

Q: Jason found a website that rated the top 50' ciassic books He randomly chose eight of these classic…

A: From the given information, i)   n t Rank(n) Rank(t) d=Rank(n)-Rank(t) d^2 4215 1 1 1 0 0 863…

Q: The average number of red blood cells per cubic mm in humans is about 5 million. We'll let μ =…

A: Given: μ= 5000000           σ=500000 we need to find i) the values for the middle 80% people i.e…

Q: From the data below, a.the value of 60th percentiles P60 b.the value of the 95th percentile P95

A: Given,sample size(n)=50the given data is already arranged in ascending order.

Q: Kadeem recorded the grade level and instrument of everyone in the middle school School of Rock…

A: To Find:  Percent of the 7th grades in School of Rock who plays guitar and to round off it to the…

Q: Avalon High School is changing their school colors and mascot. They surveyed 125 students to ask…

A: Given data: Number of students who prefer blue/black hawks= 25 Number of students who prefer…

Q: Will, an art student, randomly sampled oil paintings in a museum. He wanted to find out how many oil…

A: Given :  Margin of Error  (E) = 0.02 The proportion of paintings that were created using the color…

Q: What proportion of z scores lie between -3 and +3 in the height in inches data set

A: We have to calculate P(-3 < Z < 3)

Q: In a recent survey, 8 college graduates were each asked for the number of hours they work each week.…

A:

Q: Jse the samp A research institute poll asked res, ndents if they felt vulnerable to identity theft.…

A: The sample proportion (point estimate) is computed as follows,    0.554

Q: Risa is studying dating behavior in college students. She asks students as her school how many…

A: Risa is studying dating behavior in college students. She asks students as her school how many…

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A:

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

A:

Q: The frequency table below shows the number of cars owned by students. What percentage of the…

A:

Q: According to a retail​ organization, holiday shoppers spent an average of ​$935.58 over the…

A: Given : According to a retail​ organization, holiday shoppers spent an average of​$935.58 over the…

Q: A survey asked office workers what they like t- do when taking a break from work. Preferred break…

A:

Q: In 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: Given: Median = $66,650, 90th percentile = $178,500.

Q: Roxanne ranks 10th in a class of 40. Her percentile rank is

A:

Q: A sample consists of n = 16 scores. How many of the scores are used to calculate the range?

A:

Q: The Bangor Humane Society tracks cat adoptions closely. They sample 54 people who looked at cats…

A: Sample proportion = x/n Here x = 36 and n = 54

Q: Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9…

A: Weight of the 5 cats are given as 13, 12, 5, 12, 9 (In pounds) Find the mean and the median.

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: During the scholarship examination of a certain scholarship grant taken by 10,000 applicants,…

A: Given : Annabelle score (x) =350total number of applicant =10000Number of rank below x =8995

Q: Three hundred twenty students took a test where the scores are normally distributed. Paul's score…

A:

Q: What is the percentile for a person that has taken 16 courses? (Your answer should be a %, such as…

A: Percentiles can be calculated using the formula  n = (P/100) x N, where P = percentile, N = number…

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

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Q: c. The 90th percentile for novels is (Round to the nearest word) d. The middle 80% of romance novels…

A:

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: A table of data is given. The objective is to determine the percentage of students who spend more…

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $629.…

A:

Q: Given the data below; 320,332,339,343,345,348,351,352,364,376. a) find the mode.

A: We have to find mode of data.

Q: The data set below represents the ages of 36 executives. Find the percentile that corresponds to an…

A:

Q: The trunk diameter, in centimeters,  of a certain variety of pine tree is represented by X~N(150,…

A: Solution: Let X be the trunk diameter in centimeters of a certain variety of pine trees. From the…

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

A: Given:  μ=25 σ=4.8

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: Given a scenario where n=100 and p=0.8, find the mean.

A: In this case the sample size is n = 100 and p = 0.8.

Q: Use the data to find the value that corresponds to the 40th {2,7,8,1,5,12,9,20,20,9,30,35}…

A:

Q: What is the 84th and 22nd percentile and what is the 7th and 9th decile

A: Solution To find the percentile and decile we will use Excel

Q: is the 95th percentile finish time, ? 95? (Round your answer to nearest tenth

A: To calculate the 95th percentile of a normal distribution, we used the formula as: X=μ+Zσ Where 'X'…