Find the values of Qj, Q3, Dz and P4, from the following data: Marks No. of Students more than 70 7 more than 60 18 more than 50 40 more than 40 40 more than 30 63 more than 20 65

Q: Answer the next 2 questions using the following information. The US Department of Energy reported…

A: The hypotheses can be constructed as: Null hypothesis: H0: p = 0.517 Alternative hypothesis: H1: p ≠…

Q: Calculate each value requested for the following set of scores.     Scores: 1, 2, 0, 2   a. åX…

A: Given scores: X = 1, 2, 0, 2 (a) To calculate ∑iX: Summation is the addition of numbers together.…

Q: During each six week grading period, the students in Mr.Welsh's math class are allowed to drop their…

A: We know, the measures like mean, variance, mean deviation are depends on all the data points.  Also…

Q: 4b) For the following scores, find the median 43, 32, .64, 21, 29, 51, .89, .64

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Q: For the scores in the following table. what is the value of EX O 225 O 20 O 05

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Q: Match these values of r with the accompanying scatterplots: 0.738, 1, 1, 0.995, and -0.373. Click…

A: The given correlations are 0.738,1, -1, 0.995,  -0.373

Q: Use the data provided to find the proportion of respondents who own Dell, Apple, and HP computers.

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Q: 3 4 Percentage 44% 36% 15% 4% 1% a. Find the probability that a fisherman selected at random catches…

A: Given Information: x 0 1 2 3 4 Percentage 44% = 0.44 36% = 0.36 15% = 0.15 4% = 0.04 1% = 0.01…

Q: Q1 for data set:  41, 49, 55, 82, 84, 85, 93, 103, 113, 121, 126, 127, 136, 136, 155, 166, 169,…

A: The first or lower quartile (Q1) is a value below which 25% of the observations lies and above which…

Q: 57 72 81 30 35 43 44 47 48 54 55 56 59 62 63 65 66 68 69 69 71 72 73 74 76 77 77 78 79 80

A: sample size (n) = 30arrange data in accenbding order :…

Q: A student wanted to study how many matches came in a box. They recorded the following data. How many…

A:

Q: a lanna's health class measures the heart rates of students after they walked for five minutes. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Monte recorded the gas mileage, in miles per hour, of ten different cars he is considering buying:…

A: The given mileage are 34 , 27 , 30 , 24 , 28 , 31 , 42 , 30 , 29 , 19

Q: 11513 14 1288 12 10 13 15 15 12 17 17 18 16 13 6 20 14 9 15 16 12

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Q: Provide an appropriate response. When 390 junior college students were surveyed,115 said that they…

A: It was given that 115 out of 390 junior college students have previously owned a motorcycle.

Q: A survey was given to 18 students. One question asked about one-way distance the student had to…

A: Given data is12,8,4,5,26,41,1,8,10,10,3,28,32,10,85,7,5,15Arrange the data in ascending…

Q: Winston has just gone grocery shopping. The mean cost for each item in his bag was $2.84. He bought…

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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 following values represent the heights of 12 students (in inches) taking a math class. 72, 63,…

A: In the data set, the number of students hights are given (n) is 13.

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: Find the range of the data set. * 21 22 23 24 25 26 27 28 25 8.

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Q: Do Now: Find the mean of the following test scores: 100, 98, 86, 95, 81

A: Given ,score is 100,98,86,95,81sample size (n)=5

Q: The scores of the top ten finishers in a recent golf tournament are listed below. Find the median…

A: The objective of this question is to find the median score of the top ten finishers in a recent golf…

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: When 450 junior college students were surveyed, 125 said that they have previously owned a…

A: sample size(n)=450 No. of students said that they have previously owned a motorcycle(x)=125

Q: Find the 5 number summary for the data shown 11 12 15 22 28 54 57 64 66 68 74 76 87 88 96   5…

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Q: A sports statistician recorded the speed of every serve made by a certain tennis player at the U.S.…

A: It is given that the mean serve speed in the tournament is 98 miles.The distribution of the serve…

Q: Brad and Lena are recording their classmates' eye color for a statistics assignment. In Brad's…

A: Brad's class: green-eyed students = 3 total students = 25 ratio(A) = 325     Lena's class:…

Q: The scores of the top ten finishers in a recent Buick Open are listed below. Find the median score.…

A: We have given that,  The data set are : 65, 66, 67, 66, 67, 70, 67, 70, 71, 68 Then,  We will find…

Q: A local, family-owned restaurant also gathered data for two weeks of orders.  The following set of…

A: Given that: 82, 81, 65, 62, 86, 81, 83, 62, 81, 81, 68, 71, 85, 62, 87

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, The data set will represent the collection of response…

Q: 7.) Kayla recently took a multiple-choice quiz in social studies class. Her ratio of correct answers…

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Q: a survey was given to 18 students. one question asked about the one-way distance the student had to…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Find each value requested for the set of scores listed below. a. n b. ΣΧ . Σχ2 d. 10+ΣX-3)2 C. 5, 4,…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Find the midrange for the following group of data items. 112, 52, 82, 52, 72 ​(Round to the nearest…

A: Midrange:The midrange is defined as the average of highest and lowest value in the data set.That is,…

Q: A pie chart reflects student performance... 16% As, 24% Bs, 32% Cs, 16% Ds, 12% Fs A. There were…

A: The give percentages of student performance in pie chart is 16% A's, 24% B's, 32% C's, 16% D's, and…

Q: 4) Give the five-number summary of the data shown in the boxplot below: 50 60 70 80

A: Boxplot is one of the graphical methods that is drawn for the quantitative variable to explain the…

Q: Calculate the test statistics for the following scenario: 中 A local pizza shop thinks 80% of their…

A: Given : Proportion of customers who prefer Pepperoni pizza (p) = 0.80 Sample size of customers (n) =…

Q: A fundraiser is offering a small gift to people making a donation. The donor can choose one of four…

A: The data shows four gifts with a mug, a t-shirt, a plush toy, and a water bottle.