We predict that children exhibit more aggressive act after watching a violent television show. The scores for ten children were recorded before they watched a violent show and then after they watched a violent show. Aggression was measured in terms of number of aggressive acts (e.g. hitting, yelling, kicking etc). Sample 1 (after TV show): 5,6,4,4,7,3,2,1,4,1 Sample 2 (before TV show): 4,6,3,2,4,1,0,0,5,2

Q: what is atypical sample

A: Atypical sample means something Unusual

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A:

Q: A) We have just conducted a study examining how much math anxiety students experience after taking a…

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Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

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A: 2. Experimental Study: If some treatments are applied on the individuals in order to observe the…

Q: 11, 15, 23, 29, 19, 22, 21, 20, 15, 25, 17, 13 What is the median? What is the IQR? What is the…

A: Obtain the value of median   The value of median is obtained below as follows:   Use EXCEL Procedure…

Q: find sample variance   41,45,48,49,52,53,55

A:

Q: 5. Make an inference about your population. You must write one or more sentenčėš, even if you have a…

A: Histogram shows data points in a graphical format.

Q: LIST OF ALL SAMPLES OF SIZE 5 IN A POPULATION 2,5,6,8,10,12,13

A: Reviewing information, given population is 2,5,6,8,10,12,13

Q: There are eight true or false questions in an exam. What is the sample space?

A: Sample space= ?

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A:

Q: How to Assign Subjects in random assignment?

A:

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Q: (b) Give the best estimate for p and give the margin of error for the estimate. Round your answers…

A: Given n=1060 X=605

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A: 1) The assumptions necessary for performing the two-sample t-test, such that the results obtained…

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A: Random Sampling: if a sample is drawn from a given population in such a manner that each member of…

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A:

Q: In the Star and Tribune newspaper, there is an article entitled “1 in 8 school buses fail tests."…

A: Given information: Sample of 200 buses and find that 20 buses fail the safety inspection. Let us…

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A: From the provided information,The data values are as follow:28, 22, 11, 16, 26, 21

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Q: Ten students took a test in a statistics course and got the following marks: 6, 2, 8,4, 10 ,8 , 4 ,…

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Q: Suppose one of these persons is selected at random, compute P(C₂ or 1₂). Select one: O a. 0.571 O b.…

A: Given that   C2 = 665 , I2 = 334 C2 and I2 = 166

Q: Question 1 Sample: 2, 1, 3, 0, 1, 3, 6, 0, 3, 3, 5, 2, 1, 4, 2 What is the mean? Selected Answer:…

A:

Q: How many degrees of freedom does your sample contain?

A: Given that  Sample size=n=30 Formula for degree of freedom  df=n-1

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Q: Independent or Dependent Sample? Same students retake the test but get a review first Group of…

A: Given that the same students retake the test but get a review first. So depending on the review from…

Q: What is the Sample Variance for the following numbers: 84, 66, 44, 17, 11, 65, -5, 51, 88

A: Given data  84, 66, 44, 17, 11, 65, -5, 51, 88 Find sample variance ?

Q: List all samples of size 3  2, 5, 6, 8, 9

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Q: rolled

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Q: Is there a significant difference among the scores of the different groups?   Group 1 Group 2 Group…

A: To determine whether there is a significant difference among the scores of the different groups, a…

Q: 3. What is the sample mean for the following sample of scores? Scores: 1, 2, 5, 4

A:

Q: What is the mode of following scores

A: Mode of data is/are highest frequent data

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.