Explain in your own words what it means that a sample must be representative of the population. Name some of the factors that affect choosing a sample instead of a population when conducting a statistical study. Based on the knowledge about population and sample, answer: If you had the opportunity to carry out a statistical study on the students of the University, what would you use, a population or a sample?

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Q: . the growth of plant/ amour . grade in each subject/ com ssessmentS - cure of one's sickness/the

A: Q

Q: I want to get you thinking further about the differences between samples and populations. Suppose…

A: Population: The population comprises all of the records along with quantifiable population…

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A: Given data: 79, 76, 77, 79, 81, 83, 79, 76, 78, 83, 87, 85.

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A: When the variable of interest is categorical in nature, it indicates that we are dealing with the…

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A: By using the standard normal table, the critical value zα2 at the 99% confidence level is, 2.576.…

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A: Note that here two populations are available, one population is the set of individuals in her class…

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A: Obtain the value of the test statistic. The value of the test statistic is obtained below: From the…

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A: We have to find sample proportion.

Q: In this section, we discussed two types of statistical designs. Identify and explain the meaning of…

A: The two types of statistical designs are,Completely randomized design.Randomized block design.

Q: What do you think is the reason, why researchers prefer to get a sample from the total population…

A: A researcher can carefully design the study which to a large extent try to prevent the biases and…

Q: . Here is actual math ACT data along with some summary statistics.

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Q: Explains how population and sample differ?

A: Introduction: Population of interest: The population of interest includes all the individuals of…

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A: Note: Hey there! Thank you for posting the question! Sometimes a sample cannot be determined as a…

Q: In a university competition, 120 students were interviewed to find out the type of dance they…

A: Total number of students interviewed, n=120

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A: Given information is: From above table, we can conclude the following: Total number of respondents…

Q: The city of Raleigh has 11,700 registered voters. There are two candidates for city council in an…

A: Consider x denotes voter supports Brown. Here, n = 350 and x = 178.

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

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A:

Q: i. Find the sample mean and sample standard deviation for the floor exercise scores in the…

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Q: dy Question: 2. In order to determine the average weight of carry-on luggage by passengers in…

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Q: Is a population proportion a parameter or a statistic? What about a sample proportion? Explain your…

A: Parameter: Any statistical measure based on all units in the population is called Parameter.…

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Q: Before beginning a new and costly advertising campaign, Starbucks would like to know how best to…

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Q: For the following scenario, identify the population, sample, parameter, and statistic. Write “NONE”…

A: Given that Many Americans have never heard of the anime show Dr. Stone. You decide to survey 325…

Q: The floor exercise is a commonly shared event between the Women’s and Men’s Artistic Gymnastics…

A: i)

Q: According to the Pew Research Center, 14% of adults rate basketball as their favorite sport. Your…

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Q: What is the difference between a histogram and a bar chart? For what type of data would each be…

A: A histogram and bar plots are both constructed as possible values of the variable on the x-axis and…