Find the weighted mean of the number of sheets on a roll of toilet paper: 7 brands have 22 sheets on a roll of toilet paper, 17 brands have 19 sheets on a roll of toilet paper, 22 brands have 72 sheets on a roll of toilet paper, 19 brands have 78 sheets on a roll of toilet paper.

Q: find 1st quartilefor given data  45,96,85,75,6,42,53,6,75,92,4,5,63,50

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Q: Suppose the profit the Honda dealership makes on the next 5 Accords it sells are: 443, 1,058, 766,…

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Q: For 60 randomly selected college students, exam score frequency distribution was obtained. Find the…

A: Given: class limit frequency 5-10 6 10-15 12 15-20 18 20-25 15 25-30 9

Q: employees in a company was k2,400,000. The mean yearly salaries paid to male and female employees…

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Q: A football kicker makes 70% of his field goals. If he attempts 20 field goals, determine the mean…

A: Determine the mean number of field goals made by football kicker. From the information, given that a…

Q: The scores of the sample of 11 senior high school students were recorded as follows: 70, 83, 74, 75,…

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

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Q: Find the vAriance of the sample data: 191, 215, 76, 262, 93, 163, 162, 268

A: Measure of dispersion measures the spread of the data. Standard deviation indicates how much the…

Q: The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is…

A: Given; Mean score of 8 players is 14.5 and mean score of 7 players is 12.

Q: What is the mean of the data: 4,11,9,10,4

A: We have to find out given mean..

Q: A class of 5 students averaged 70% on a given test. A class of 9 students averaged 80% on the same…

A: Introduction: Suppose there are k groups numbered 1, 2, 3, …, k – 1, and k.

Q: Use the following frequency distribution table to determine how many subjects were in the study. Xf…

A: Given information- We have given the following frequency distribution table. x f 5 2 4 4 3…

Q: An opaque jar contains 300 marbles, all either green or purple. Calista pulls out 10 marbles without…

A: # Given: no of marble in jar N=300  Sample of size n=10 drawn  No of purple marble in sample =2…

Q: There are 1,000 students in a college. Out of 20,000 in the whole university, in a study 200 were…

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Q: how many sports played male vs female based on the data

A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…

Q: The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is…

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Q: what percentage of bus drivers had 3 or more traffics acccidents

A: From the provided information, Sample size (n) = 700 Total frequency of 3 or more traffic accidents…

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: Ten HR majors had an average grade of 94 on an exam. Fourteen business majors averaged 86, while six…

A: Given problem Given that   Ten HR majors had an average grade of 94 on an exam. Fourteen business…

Q: A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members are…

A: Given: A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members…

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: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg.…

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Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…

A: Given:   x weight 65 22% 89 32% 105 17% 101 29%

Q: veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are dogs, 1,012…

A: Given : A veterinary clinic reports that out of 3,412 animals registered at the clinic, 1,712 are…

Q: If 10 out of 30 students got 22.5, 15 got 40 and 5 got 80 in an exam, which is the weighted average…

A: Given information: Total number of students n=30 The scores achieved by the respective number of…

Q: Give five different numbers whose mean is 11 and range is 14.

A: Here use basic formula of mean and range

Q: The mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and another 5 is…

A: Given that, the mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and…

Q: A car dealership records the number of cars sold each day over a week: 20, 25, 18, 22, 26, 19, and…

A: Mean Calculation: Sum of all values / Number of values= (20 + 25 + 18 + 22 + 26 + 19 + 21) / 7= 151…

Q: A store manager kept track of the number of newspapers sold each week over an 8-week period. The…

A: 0, 88, 71, 201, 113, 269, 248, 250. Arrange the given data in ascending order 0, 71, 88, 113, 201,…

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

A: According to the given information in this question It follows binomial distribution with parameters…