For Exercises 1-3, use the histogram below that shows data about scores on a history test. 14 Exam Scores 12 1. How many students scored at least 81 on the test? 2. How many students scored less than 81 on the exam? 51-60 61-70 O 81-90 91-100 71-80 3. Can you determine the highest grade from the histogram? Explain. Number of Students

Q: A statistics professor made the following histogram for the scores on her class’s first exam.   If…

A: From the Histogram, the scores and the corresponding frequencies are, Given that the passing score…

Q: A reviewer decides to interview viewers to see how they would rate a particular movie. The following…

A: Here given data about movie ratings  And rating are not number  ,but like…

Q: Can you view the data below and explain what is the relationship between the frequency and total…

A: The frequency table and corresponding histogram is given,   Varibales are  Total gross sale and…

Q: Based on the model, what percent of people should have IQ scores above 116? What percent of people…

A: Given a normal distribution with  mean 100 and standard deviation 16.IQ score 116 is one standard…

Q: Determine whether the data set is a population or a sample. Explain your reasoning.   The number of…

A: Population:Population consists of the complete subjects that are included in the study for making…

Q: archer wants to determine whether there is an association between weight and scores on the…

A: Correlation It tells how the variables are linearly related with each other. It represents the…

Q: The histogram to the right represents the weights (in pounds) of members of a certain high-school…

A: In the given problem we have given that the histogram of a member of a certain high school debate…

Q: LeBron James' scores in the last 2018 NBA finals are as follows: 35 46 31 4 29 42 17 27 35. What is…

A: Formula for median :  Median = n+12thordered value , if n oddAverage of n2th and n2+1th ordered…

Q: The top five books on the best seller list last year are shown below. 1. Gone Girl 2. The Forgotten…

A: Answer : Ordianal scale of measurement

Q: 4. Is there any relationship between the math and science scores of the following 5 people? Person…

A:

Q: Southwest Airlines had 81.1 million domestic boardings in a recent year, followed by Delta Airlines…

A: A pie chart is used to display the data. It consists of a circle with different sectors. Each sector…

Q: From January to September, the mean number of car accidents per month was 630. From October to…

A: Given From January to September, the mean number of car accidents per month was 630. n1=number of…

Q: The histogram to the right represents the weights (in pounds) of members of a certain high-school…

A:

Q: In a study, the data you collect is Number of traffic tickets. This data is: O Quantitative O…

A: The discrete quantitative variable can be defined as the variables which can take finite values and…

Q: Thao earned the following scores on her six management exams last semester. 78, 82, 44, 88, 78, 92…

A: The scores earned by Thao in six management exams are as follow: 78, 82, 44, 88, 78, 92 Number of…

Q: A cardiologist wants to determine whether there is a change in blood pressure when her patients are…

A: Given : n=45 , x(sample mean of the differences ) = -2 mmHg ,  s(sample standard deviation) = 0.4…

Q: A school uses percentages for grades instead of letters. What are the benefits of using a histogram…

A: Histogram is the graphical representation of the continuous frequency distribution of the data set…

Q: What is the relationship between the number of minutes per day a woman spends talking on the phone…

A: a. The correlation value is obtained using EXCEL. The software procedure is given below: Enter the…

Q: A fitness instructor measured the heart rates of the participants in a yoga class at the conclusion…

A: From the given histogram, The frequency distribution is, Class interval frequency 90-100 2…

Q: The value, in thousands of dollars, for houses on a block, are: 45; 47; 47.5; 51; 53.5; 125 1. The…

A: Given data45 , 47 , 47.5 , 51 , 53.5 , 125

Q: Given the histogram below for a set of data, which statement is TRUE? A. For the set of data shown,…

A: The histogram shown in question is positively skewed. We know that the mean is always greater than…

Q: The value, in thousands of dollars, for houses on a block, are: 45; 47; 47.5; 51; 53.5; 125 1. The…

A:

Q: What are the two ways to understand the mean of a data set ? How would you go about giving examples…

A: Grouped Mean: Grouped mean is the mean of the dataset that is given in a grouped format with classes…

Q: Does the data provide evidence of an association between age and opinion of the band? Justify your…

A: The question is about categorical data analysis Given :   To find : c ) Does data provide evid. of…

Q: The histogram below describes the length of 48 fish caught by guests on Ray's Fishing Charter boat…

A: The histogram below describes the length of 48 fish caught by guests on Ray's Fishing Charter boat…

Q: While the histogram is not perfectly symmetric (there is mild right skewness), it is close enough to…

A:

Q: The owners would like to know what reasons caused the current performance of the company and ask…

A: Percentage of Change in Selling Price if Sales unit increased by 20%  price must have decreased.

Q: As the leader of the sales team, you would like to increase the revenue brought by your team. You…

A: Given information: Xbefore: 400, 300, 1200, 2100, 700, 450, 650, 3400 Xafter: 1000, 400, 1000, 2500,…

Q: Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is…

A:

Q: Ranking a group of cities in terms of quality of life would be an example of measurement on a ____…

A: There are several categories which can be used to represent the quality of life within a city.This…

Q: A sample of fifty observations is plotted in the histogram below. 12 10- 8- 6- 2- -30 -20 -10 10 20…

A: Given, The histogram of 50 sample observation. On x axis values of x. On y axis frequency of value…

Q: The table shows the English test scores for 6 students. English Test Grades Student 1. Grade 78 92 3…

A: Student Grad 1 78 2 92 3 80 4 95 5 85 6 70

Q: 31 31 - F1) 117, 133, 112, 118, 212, 95, 98, 98, 119, 118     Answer the question using the values…

A:

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given  A histogram.we need to determine the percentage of department faculty having less than 25…

Q: The table displays the scores of students on a recent exam. Find the mean of the scores to the…

A:

Q: For a raw data, the arithmetic mean is 48 and sum of the observations (values) is 240. One of the…

A: GivenArthmetic mean =48sum of observations = 240

Q: Choose the correct answer below. O A. Relative frequency of a class is the number of observations in…

A: Solution: Relative frequency:  The relative frequency of class can be defined as ratio of the class…

Q: ATHLETICS BAND TOTAL 6TH 101 123 224 64 91 155 8TH 110 75 185 TOTAL 275 289 564 A survey was taken…

A: Given, A survey table for the prefered sports of ABC middle school students of 6th, 7th and 8th…

Q: Biologists caught and measured 215 fish from the northern Atlantic Ocean. The lengths of the fish…

A: Given n=215 P(45<X<75)=?

Q: Suppose you have information about average heights of a random sample of airplane passengers. The…

A: Form the given information, The mode is 70 inches, the median is 68 inches, and the mean is 71…

Q: A veterinarian recorded how many kittens were born in each litter. This data is summarized in the…

A: Given that,A veterinarian recorded number of kittens were born in each litter.

Q: The table displays the scores of students on a recent exam. Find the mean of the scores to the…

A: We have to find mean

Q: Lily has been keeping track of what she spends on eating out. The last week’s expenditures for meals…

A: We have to find sentence mean is true or not ....

Q: Determine whether the data are qualitative or quantitative. the numbers on the shirts of a girls…

A: We want to tell you which one is the correct choice

Q: The mean scores for students in a statistics course​ (by major) are shown below. What is the mean…

A: Mean: Mean is defined as the ratio of sum of all observations to the total number of all…

Q: The meaning of a set of data is 108.06 and it's standard diverse Asian is a 115.45. Find the Z-score…

A: The z-score calculated as;

Q: After taking a series of 4 classroom examinations, John obtained a mean score of 82. How much score…

A: The average score obtained by John in 4 examinations is 82. Evaluate the total obtained by John in…

Q: The mean score of 15 male students taking an economics test is 74 and the mean score of 12 female…

A: GivenNo.of Male students(n1)=15Mean score of male students(x1)=74No.of Female students(n2)=12Mean…

Q: Time spent studying (hours) Exam score (out of 50) 3 30 4 32 35 2 20 1 15 15 50 4 34 3 31 4 37 7 42…

A: The scatter plot can be obtained using EXCEL software. Enter the values of time in column A and…