1. In a survey of university students 64 had taken mathematics course

Q: 1. Explain whether each of the following constitutes a population or a sample. a.) Number of…

A: Population is the data set based on all individuals involved in the study. Sample is a subset of the…

Q: $3.25 in dimes and nickels, were distributed among 45 boys.  If each received one coin, how many…

A: It is given that, $3.25 (in dimes and nickels) are distributed among 45 boys.

Q: III. The ages of qualified voters in a certain barangay were taken and are shown below Frequency 20…

A: Using the given age of voters in terms of the interval, and the frequency distribution for the…

Q: (ii) How many appendectomies lasted at least two and a half hours? (iii) How many appendectomies…

A: Minutes freq(f) rlt freq(f/n) Cumulative freq Percentage Cumulative freq 110 - 120 2 0.08 2 8…

Q: 3.7 The article "Housework around the World" (USA Today, September 15, 2009) included the percentage…

A: (a) Enter the data into the excel sheet as follows: Select Insert> charts>All charts…

Q: A poling organization contacts 1138 teenagers who are 13 to 17 years of age and live in the United…

A:

Q: The following summary appears in a report on a survey covering 1,000 fields. Find out if the data…

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Q: b. Identify four uses of computer in statistics and discuss any two.

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

Q: A survey asks 168 people "What beverage do you drink in the morning?", and offers choices: • Coffee…

A: Total number of people = 168 Number of persons drink tea = n(T) Number of persons drink coffee =…

Q: Is there a significant difference between age groups in math achievement? 1. Yes, p .05

A: If the p-value is less than 0.05 then there is a significant different between age groups in math…

Q: 40. Of 1,000 people consulted, 811 liked chocolates, 752 liked toffees and 418 nd

A: Given problem Given that   Method 1 :

Q: A survey of 64 families yields the following data for the number of children per family. 1 1 2 2 3 4…

A:

Q: HIV and AIDS: In April 2017, there were 629 new HIV antibody sero-positive individuals reported to…

A: 2017 10-19 15-24 25-34 >34 Total M-F M-M Both          8 19 6 84 315 197 629…

Q: Consider a geographic area divided into four regions, north, south, east, and west. The following…

A:

Q: Suppose a survey is taken of 300 high school seniors out of a total of 1,000 seniors. This group is…

A: the group is probably a

Q: In a recent small survey of airline passengers, 27 said they had flown American in the last year, 23…

A: We will use  Addition theorem for  3 set

Q: 1. The 50 measurements of acid rain in Wisconsin, whose histogram is given on the cover page of the…

A: The following information has been given: 3.58 3.8 4.01 4.01 4.05 4.05 4.12 4.18 4.2 4.21 4.27…

Q: Consider the following table to answer the following questions left- right- handed handed 16 36 male…

A: From the given information we find the probability that student is right handed female.

Q: 9) A survey of 1688 American households found that 14% of the households own at least two bicycles.…

A: Solution 9:  A survey of 1688 American households found that 14% of the households own at least two…

Q: 11. Parts of a statistical table include all of * the following except: O A. Title O B. Head note O…

A: As per the company guidelines we can solve first question. I hope that the given solution will help…

Q: In a survey of 24 college students, it was found that 8 were taking an English class, 12 were taking…

A:

Q: A survey asks 228 people "What beverage do you drink in the morning?", and offers choices: • Coffee…

A: Let U be the set of people surveyed, C be the set of people drink coffee, T be the set of all people…

Q: Which age groups are being compared for contrast 1? 30 to 39 year olds and 40 to 49 year olds 40 to…

A: The t-test output with ANOVA and descriptive for the 4 age groups are given.

Q: 1. What is the frequency of the AA genotype in this population? 2. What is the frequency of Aa…

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

Q: - In a survey of 500 students of a college, it liked watching hockey and 62% liked watc

A: Given, in a survey of 500 students of a college, it was found that 49% liked watching football, 53%…

Q: In a survey of employees at a fast food restaurant, it was determined that 16 cooked food, 13 washed…

A: Given: (1) 16 cooked food, 13 washed dishes, 25 operated the cash register. (2) 7 cooked food and…

Q: A researcher surveyed 80 randomly selected Certified Public Accountants in each of the cities in…

A: The 2*4 contingency table is given. There are two categorical variables are Free Work and Cities. We…

Q: 1. How many in the sample would have IQ scores not higher than 130? 1. 2. How many in the sample…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS   hERE given the summary table for IQ Score…

Q: 1. A survey by the Electricity Company of Ghana (ECG) contains questions on the following: Age of…

A: Hey there! Thank you for posting the question.  Since you have posted a question with multiple…

Q: (a) What proportion of states** have cases that are going down? (b) What proportion of states** have…

A: Hint: Calculate the number of states in all groups then divide them by the total number of states to…

Q: a. What percentage of Illinois Math SAT takers seored 600 or more? b What percentage of Illinois…

A: Solution: Given: Population mean = μ = 556 Standard deviation = σ = 100 a) We have to find…

Q: A university administrator requested a breakdown of travel expenses for faculty to attend various…

A: Expenses spent for transportation cost = 31%Expenses spent for Lodging = 25%Expenses spent for food…

Q: 1. The 50 measurements of acid rain in Wisconsin, whose histogram is given on the cover page of the…

A: Solution

Q: (d) A sample of 800 workers indicated whether they are single or married and whether they work…

A:

Q: From a survey participated by 42 students, the following were found: 9 studied on Friday; 18 studied…

A:

Q: 3. Which is the best estimate of O -18 O 9 O 18

A: The given expression is: -35 1756

Q: Assume that a survey of 1009 Californians found that 549 of them favored Proposition 16. Find the…

A: Z test is one of the large sample tests, when the sample is 30 or more than 30we use this test. We…

Q: In a sample of 310 people, 186 completed only high school, 24 completed only some college, 93…

A: Given data A sample of 310 people is given. 186 completed only high school. 24 completed only some…

Q: The following are the scores of 8 students each in a 25-item mathematics quiz administered in two…

A: Given, Section A Section B 18 19 19 24 20 11 15 10 22 17 13 16 18 25 12 15

Q: 600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear…

A: Part a: Probability = Number of Males/Number of students =269/600 = 0.448

Q: 17. How many observations are there?

A:

Q: 7. Construct a sub-divided bar diagram from the following data, regarding the number of stu- dents…

A:

Q: 8) Suppose a sample of male and female students were asked to rate their body image in a…

A: We have given a contingency table and using table we have to test the hypothesis about proportion.

Q: A survey of 400 school empl yielded the following information: 295 were instructors, 215 were…

A: We have given that- Total number of school employee = 400 No. of instructors = 295 No. of full-time…

Q: 1. If an investigator found that the reported dismissal cases for 12 months were 8, 5, 6, 3, 4, 7,…

A:

Q: A survey conducted by the Bureau of Labor Statistics found that 67% of high school graduating class…

A: Let A denotes the student in the high school graduating class went on to college and B denotes…

Q: The federal highway administration compiles information on motor vehicle use around the globe and…

A: The complete table is as :

Q: According to the Centers for Disease Control and Prevention, 9.9% of high school students currently…

A: Claim is that the use of e-cigs at this counseler's school is higher than 0.099.

Q: a. In order to be invited to the college world cup, teams must earn a score in the top 15% of all…

A: here given,  mean = 133.75  standard deviation  =  50.24 Y  =winning  score

Q: 10. Based on the survey data below, a marketing team for an airline concludes that someone between…

A: