Q1) e- The subjects' score of a student at the final exams were as in the following table. Therefore, the grade of the student :is B C D E F G H Subjects A Score 57 76 78 84 53 72 65 91 Unit 5 5 4 4 3 3 2 accept (50-59) O good (70-79) O very good (80-89) O excellent (90-100) O none of all above 1010 5

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

A: HIstogram is given.Data was collected for a sample of organic snacks.

Q: The following box-plot contains the cholesterol levels of 100 patients. 154 180 211 265 197.5 + +…

A: Given: First Quartile = 180 Third Quartile = 211 Median = 197.5

Q: The data in the table is the number of absences for 7 students and their corresponding grade. Number…

A: The variable number of absences is defined as x and the variable grades is defined as y.

Q: To compute a student's Grade Point Average (GPA) for a term, the student's grades for each course…

A: Course Grades Credit Math course 4 5 Music course 2.5 3 Chemistry course 3.1 5 Journalism…

Q: 55 randomly selected students were asked the number of pairs of shoes they have. Let X represent the…

A: We have given that Number of pairs of shoes  Frequency  4 3 5 8 6 5 7 6 8 2 9 3 10…

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: (a) Identify the value C2. (b) Identify the value R1. (c) Identify the value n.

A: (a) From the table, the value of C2 is 113. Thus, the value of C2 is 113. (b) From the table, the…

Q: A study collects samples of water from the tap in Vacaville and from bottled water available from…

A: The observed pH value is 6.32.The mean pH of Tap water is calculated as follows:

Q: A 2018 poll of 3619 randomly selected users of social media site found that 2463 get most of their…

A: The sample size is 3619. The number of success is 2463. We have to test whether the proportion of…

Q: I would need help finding the R code for this question thank you! An experiment was set up to study…

A: Since treatment is given to the same group of 12 men after 3 months. Therefore paired t-test is…

Q: In a clay pigeon shooting competition, hunters enter a tournament where they compete with their…

A:

Q: (d) Log-odds of men choosing Commerical A: Encoding x=0 for men and x-1 for women, do a logistic…

A: From the given data, we obtain a table like:   Commercial A Commercial B Total Women 90 75 165…

Q: The number of consumer complaints against the top airlines during the first six months of 2010 is…

A: The number of consumer complaints against the top airlines during the first six months of 2010 is…

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A:

Q: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

A: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

Q: The highway mileage (mpg) for a sample of 10 different models of a car company can be found below.…

A:

Q: The Flesch Reading Ease Test is a test that ranks the reading level of passages. But WB for the…

A: Given formula for the score F of fetch test is F=206.835-1.015WS-84.6LW                 (i) Where…

Q: 1f. It has been reported that the first week in May NC has an average daily temperature of 88…

A: Average daily temperature of first week in May is 88 degrees. The first week had recorded…

Q: Calculate the coefficient of determination, r2r2. Round your answer to three decimal places.

A: First we insert the given dataset in R studio as,

Q: What percentage of scores fall between the following z scores: -1 to +1; -1 to +2; and -1 to +3?

A: a) -1 to +1 = P(-1<z<1) = P(Z<1)-P(Z<-1)  =0.8413-0.1587 =0.6826 =68.26%

Q: Use the following information to answer the next two exercises: Suppose one hundred eleven people…

A:

Q: (e) How good was the Denver Broncos' 2013 NFL season compared to the rest of the football teams that…

A: We have to find out z score..

Q: The scatterplot illustrates the relationship between distance and success rate of field-goal…

A: Given,

Q: A study wants to investigate whether eating oat bran lowers the serum cholesterol levels. Fourteen…

A: It is given that the sample size n is 14.

Q: A boxplot for a set of 40 scores is given below. T 5 6 T 7 8 9 DATA How many scores are represented…

A: Box plot has five number summaries: Minimum First quartile (Q1) Median(Q2) Third quartile(Q3) and…

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: In a class exam, student A obtained a score, 70, He found that 65 % of the class students had scores…

A: Given that student A obtained a score 70  65 % of the class students had scores of 70 or lower.

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

A: Concept: Histogram are used for the graphical representation of quantitative data.

Q: Treat this data as population data. Which of the following R code computes the variance of the…

A: We have to determine the correct R code tp calculate the variance. Here, number of observations n =…

Q: You want to see if it makes a difference which lane to be in when there is traffic. You randomly…

A:

Q: (a) Which of the following must be true about Amanda's and John's scores? Amanda scored higher than…

A:

Q: ulutC UIIS test. C2. In this chapter, we examined the difference in educational attainment between…

A: Given: p1=0.43p2=0.50

Q: 87. Twenty-five randomly selected students were asked the number of movies they watched the previous…

A: The given frequency distribution of the watched number of movies is as follows:# of…

Q: The results for a blood test for a certain disease are shown in the table below. Based on the table,…

A: Solution: From given tabele A=290 B=10 C=3219 D=481