Movie Genre   Superhero Comedy Drama Total 6th grade 13 17 9 39 7th Grade 16 20 13 49 8th Grade 14 18 12 44 Total 43 55 34 132   What percent of the 6th graders prefer comedies?

Q: Part A What is the axis of symmetry of the parabola f (2)=- (x+ 4)* +2. %3D A2 = -8 x = -4 Ca = 8 Dr…

A: The given equation of parabola is: f(x)=-(x+4)2+2

Q: A group of school parents are asked how many children they have. Number of children Frequency 1 25 2…

A:

Q: emale height in inches 54 , 58 ,60, 60 , 60 , 60 , 61 , 61 , 61 , 61 , 61 , 61 , 62 ,62 , 63 , 64 ,…

A: x (x-xbar)^2 54 56.64543 58 12.4349 60 2.32964 60 2.32964 60 2.32964 60 2.32964 61…

Q: Female height in inches 54 , 58 ,60, 60 , 60 , 60 , 61 , 61 , 61 , 61 , 61 , 61 , 62 ,62 , 63 , 64…

A: x (x-xbar)^2 54 56.64543 58 12.4349 60 2.32964 60 2.32964 60 2.32964 60 2.32964 61…

Q: Baseline 50 65 42 55 78 31 66 84 23 45 Test 53 64 45 51 80 29 65 86 21 47…

A: Determine the variance of the raw scores: Variance=∑x-μ2n-1=3472.910-1=385.8778

Q: How many data points are presented in the histogram? 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11

A: The number of data points that are presented in the Histogram is determined below as follows:   From…

Q: equency 95 78 85 91 95 93 99 38 76 74 87 76 98 74 80 99 84 90 87 70 Complete the frequency table…

A: Given: The data given is as below 95 78 85 91 95 93 99 88 76 74 87 76 98…

Q: Giving a test to a group of students, the grades and gender are summarized below C. Total Male 20 12…

A:

Q: calculate the test statistic

A: here given table for calculate chi-square test statistic

Q: Class 80-82 frequency 5, class 83-85 frequency 4, class 86-88 frequency 8, 89-91 10, 92-94 3   A.…

A: Solution

Q: find coefficient of variation for given population data   20,25,28,27,26,32,35,34,24

A:

Q: Ages of Teachers (years) Percent Distribution 22-35 36-50 51-65 28% 40% 32% The age distribution of…

A: Given, The table   Ages of Teachers (years) Percent distribution 22-35 28% 36-50 40% 51-65…

Q: Female height in inches 54 , 58 ,60, 60 , 60 , 60 , 61 , 61 , 61 , 61 , 61 , 61 , 62 ,62 , 63 , 64…

A: Given: The height of females provided in inches are:                                       54 , 58…

Q: The numbers of hours worked (per week) by 500 statistics students are shown below. What is the…

A:

Q: A guide for a "Pirates of the Caribbean" role-playing game lists the following percentages for the…

A: Given: The observed frequencies of 80 loot case boxes is given below Item rarity Super rare Rare…

Q: The following data represents the age of 30 lottery winners. 23 31 31 34 36 36 39 41 41 41 41 42 44…

A: We have given  data are…

Q: . How many students obtained scores between 74.5 to 84.5? . How many students obtained scores…

A: Here Given  The frequency curve of the Scores obtained by students

Q: 23 27 30 30 30 35 38 41 43 44 47 48 50 53 53 53 54 55 63 63 66 67 68 70 72 72 73 73 73 88…

A: Frequency is the number of data that fall in a given interval.  From given data,…

Q: d. The postmaster of a smal westen town recelves a certain number of complaints each day about mail…

A: Given the table which shows number of days and number of complaints.

Q: Ten students who are taking “on site class" have their body temperature measured, the results are as…

A: Introduction: We need to identify the correct stem and leaf plot.

Q: Alex records the running time-the number of minutes a movie lasts from start to finish-of 50 popular…

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Q: Gender/Class Math 102 Math 105 Statistics Math 90 Total Males 20 20 10 30 80 Female 10…

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Q: How many beagles weigh between 22.5 lbs and 29.5 lbs?

A: The question is about graphical representation.Introduction :Less than cumulative frequency graph :1…

Q: The data in the table represent the training times (in seconds) for Adam and Miguel. Adam 103 105…

A: a) The range of the two persons can be determined by                Range = highest value - lowest…

Q: What number of offenses falls at the 30th percentile? The 80th percentile?

A: Data is given for number of offences for year(2014 to 2013) We have to calculate 30th and 80th…

Q: 170 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency…

A: Given: Total number of people, n=170 # of siblings Frequency Relative Frequency Cumulative…

Q: he following frequency table shows salaries, in thousands of dollars, for employees of a small…

A: Frequency is the number of occurrences of a repeating event per unit of time. The frequency of 22…

Q: A school administrator asks each student if they participate in a sport and if they participate in a…

A:

Q: Frequency 247 20 16 12 8- 4 0+ 70.5 10 75.5 Prealgebra Exam Scores 4 80.5 19 85.5 Scores 17 90.5 15…

A: we have to find number of class containing largest number of exam scores.

Q: Mode of the data 15, 14, 19, 20, 16, 15, 16, 14, 15, 18, 14, 19, 16, 17, 16 is

A:

Q: The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25…

A: The boxplots for salaries of workers and teachers are given.

Q: Question The frequency table below shows the ages of the students in a psychology lecture hall.…

A: The given frequency table shows the ages of the students in a psychology lecture hall.

Q: of absences, x mal grade, y 012 3 4 5 678 9 0 882 054 824 799 76.9 725 63.1 67.4 645 616 Find the…

A: x No. of absent days y final grades   x y 0 88.2 1 85.4 2 82.4 3 79.9 4 76.9 5…

Q: 120 psychology students took a standardized test. The scores are summarized in the GFDT below.…

A: Frequency:The frequency of a particular data value is the number of times the data value…

Q: measure of dispersion 11, 11, 15, 15, 15, 18, 20

A:

Q: There has been a great deal of discussion about global warming in recent years. In 2006, the Pew…

A: 615 respondents out of 1501 surveyed felt global warming is a very serious issue sample proportion :…

Q: .If a committee with 2 student members is to be formed, what is the probability of forming a…

A: Hey there! Thank you for posting the question.  Since there are multiple questions posted, we will…