Statement 1: We may have a smaller sample for a population with very similar characteristics. Statement 2: In inferential statistics, "significant" (significant difference or significant relationship) means "real". * BOTH Statements are TRUE BOTH Statements are FALSE ONLY Statement 1 is TRUE ONLY Statement 2 is TRUE

Q: There shouldn't be a blood group difference between men and women as blood group type is not…

A: The null and alternative hypotheses for the test are:   H0: Sex and blood types are independent.…

Q: Assume that in one of the classes the student has earned test scores of 73​, 81​, 51​, 76​, and only…

A: We have a given ,one of the classes the student has earned test scores of 73,81,51,76

Q: following are descriptive statistics EXCEPT A. 25% of those who took the licensure exam for teachers…

A: Concept: The branch of statistics in which a random sample of data from the population is used to…

Q: Of the female applicants,% were admitted to program 2. (Round to one decimal place as needed.) Find…

A: It is given that: An article examined the graduate admissions process for evidence of gender bias.…

Q: Ms. Shen thought that students would be more likely to remember their review if she called their…

A: When to use: T-test: A t-test can only be used when comparing the means of two groups. t-tests…

Q: If the ƞ2 in an experiment is 0.6, give any possible value of ω2.

A: Givenη2=0.6The percentage of variance in the dependent variable accounted by the independent…

Q: We discussed a couple of problems that arise during sampling. Describe one of these problems and…

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Q: Determine the approximate population variance. # of People Helped 247 211 200 199 180 230 215 175…

A: Given Data :

Q: According to “common knowledge”, 50% of marriages end in divorce. You think this “common knowledge”…

A: Null hypothesis : It is used in hypothesis test which proposes that there is no significant…

Q: 12 - Prove that the sum of the deviations of the values from their arithmetic scale for classified…

A: Arithmetic scale or arithmetic mean,  means that sum of the all the Values divided by total number…

Q: How many different seven-digit telephone numbers can be formed if the first digit cannot be a 0?

A: Consider a problem in which there are n vacant inline spots, each spot is to be filled by any of…

Q: Is it correct to say, “To be a quantitative researcher is to know much about statistics”? Justify…

A: Quantitative researchers need to understand how to interpret statistical analysis results.  Keeping…

Q: If your 1st Term Score in this class is 38.42, and your 2nd Term Score is 43.83, what score do you…

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Q: a. Explain what it would mean to make a type I error. Choose the correct answer below. A. A type I…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: There shouldn't be a blood group difference between men and women as blood group type is not…

A: There are two categorical variables which are Sex and Blood type. Sex has 2 types which are male and…

Q: There shouldn't be a blood group difference between men and women as blood group type is not…

A: The expected value of a cell(E) = Row sub total × column sub totalGrand Total   Example : E(A, male)…

Q: Consider a data set consisting of 43 different numbers. If the smallest data value is decreased by…

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Q: Suppose that a difference between two groups mean is examined. In the language of statistics, the…

A: We have to formulate the alternative hypothesis to test the diffrence between two groups.

Q: Statement 1: We only make inferences about the population base from a sample because no sample can…

A: Statistical inference is the process of drawing inferences about the population parameter by…

Q: Scenario 1: The percentage of A's given in a physics course at a university over a long period of…

A: Given information: p0=0.1a=40n=300α=0.01

Q: What evidences suggests that the golden ratio and golden rectangle hold particular balance as well…

A: The golden ratio is the ratio of the larger quantity and smaller quantity. If a and b be the larger…

Q: Professor James gave the same test to his three sections of statistics students. On the 35-question…

A: Professor James gave the same test to his three sections of statistics students. On the 35-question…

Q: 4) There shouldn't be a blood group difference between men and women as blood group type is not…

A: Thus, the degrees of freedom is 3.

Q: For which quartile , 25% observations are greater and 75% are smaller ? A. First quartile B Third…

A: It is an important part of statistics. It is widely used.

Q: Please Create your own Statistic base on the examples. Similar to questions from the picture.  DO…

A: Hypothesis testing : Hypothesis testing is a type of statistical inference that uses sample data to…

Q: Is this an example of Simpson's paradox? Explain.

A: Simpson’s paradox: Interpretations are obtained from more than two single cross tabulations and that…

Q: It has been reported by the professors in many Computer Science departments that the drop-out rate…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: Make your own problem about single sample estimating mean. Include all of your solution.

A: Taking data Sr. No. Data (x) 1 2 2 5 3 6 4 4 5 8

Q: Suppose you have traveled back in time to March 2020 and we are interested in finding out how many…

A: *Answer:

Q: . In a report, a population is given as 2700. Should you assume that this is the exact population?…

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Q: What is meant when two terms are said to be ‘statistically independent

A: We have to define  Mean of two events are statistically independent:

Q: one-sample tt-test. Indicate the variable of interest, how the sample should be collected, the…

A: one sample t test if the sample size is <30  then we compare difference between true mean  t test…

Q: Some people believes that the mean income of Pharmacists is now more than $65 thousand per year.…

A: We know that the Null hypothesis(H0) means no difference i.e. it always comes with an equal sign…

Q: The sum of the deviation for the values * .35, 45, 30, 35, 40, and 25 is Zero True O False O

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Q: Suppose that we want to determine if the average amount of time spent online by the students is less…

A: Given,  μ = 4.5 the data is: 4.1  4.3  4.3  4.5  4.6  4.3  4.1  4.6  4.7  4.6  4.7  4.1  4.3  4.3…

Q: Every single sample we collect will be exactly the same. The statement above is cannot determine…

A: as we know, There may be some variation in every sample due to sampling error.

Q: this is one question. the table has already been answered. are there any potential outliers?

A: Yes. There is one potential outlier.

Q: A teacher gives a 10-point test to a class of 10 children.  a. Is it possible for 9 out of the 10…

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Q: Which statement is accurate about the relationship between Populations and Samples?     It is…

A: If a sample is selected randomly from a population then it will be exactly equal to the…

Q: A professor wants to determine whether her department should keep the requirement of college algebra…

A: The test hypothesis are, H0: Students are not more likely to pass the course if the take college…

Q: When spinning a penny, Claire believes the proportion of times the penny lands on heads is not 0.5.…

A: When spinning a penny, Claire believes the proportion of times the penny lands on heads is not 0.5.…

Q: if we determine that a problem follows a geometic distribution, show that the probability of a…

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Q: A statistics class is made up of 12 men and 18 women. What percentage of the class is​ male?

A: Given,no.of mens=12no.of womens=18total no.of peoples=30

Q: Explain what each phrase means in the context of inferences for a population proportion. a. Number…

A: a. The phrase “number of successes” means that the number of members from the sample illustrates the…

Q: A political scientist suspects that responses to polls and surveys may be affected by the gender…

A: Here it is needed to test, whether the proportions of​ agree/disagree responses are the same for…

Q: ate whether you think the difference between what occured and what you would expect by chance is…

A: When we draw a card randomly from a deck the probability of getting a certain card is 1/52 and as…

Q: 40 73 152 297 320 536 574 617 650 702 781 844 860 961 Identify the 5 number summary (min, Q1,…

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