A Correctional Psychologist wants to compare the number of criminal convictions of Persons Deprived of Liberty who have high and low recidivism rates. He wants to see if PDLS who have high recidivism rate have more criminal conviction than those who have low recidivism rate. The table shows the results.

Q: Solution: Step 1: State the hypotheses. Step 2:The level of significance and the critical region.…

A: Given : Data  : First we need to calculate the mean and standard deviation for both the samples For…

Q: Explain the concept of Partitioning the Sums of Squares?

A:

Q: John wanted to know the percentage of Plug-in Hybrid Elective Vehicle (or PHEV) on the road in the…

A: From the above given data the following solution is provided below:

Q: 2x = 64 * 8/125

A: on solving this we get

Q: Emma’s 100-meter dash time is ranked at the 96thpercentile among all highschool sprinters in the…

A: We have to find Emma's rank.

Q: ABC University kept insisting that they performed better than DEF University in last year’s National…

A: The average score of ABC University students were 95.4 and the average score of DEF University…

Q: wo pizzas are the same size. One is cut into 6 pieces and the other is cut into 8 pieces. If you…

A: We know that if when the denominator increases and the numerator remain same, the fraction as a…

Q: A contingency table has 6 rows and 8 columns What is the value of degrees of freedom

A: No. of rows(r)=6No. of columns(c)=8 We have to find the value of the degree of freedom.

Q: Shen took 9 test this year. His mean score was 69 points. How many total points did he earn for the…

A: From the provided information, Shen took 9 test this year that is n = 9 Mean score (x̄) = 69 points

Q: . The school newspaper wants to determine which valedictorian is supported by most of the students .…

A: 1. school news paper want to determine which valuedictorian is supported by most of student?  this…

Q: Zahra is a company specializing in high-end cosmetics. Its signature nail polish color is Soft…

A: Given data  On certain day 4 out of every 14 bottles of nail polish in the factory are soft Lilac.…

Q: How do scavengers do the cleaning up job?

A: Scavengers are cleaners.

Q: A television ad for gelato is seem by 22% of the population. Of those who see the ad, 14% then buy…

A: A television ad for gelato is seem by 22% of the population. Of those who see the ad, 14% then buy…

Q: 46 lim n-x n k=1 e62+46k =

A:

Q: how to translate the sum of 3 consecutive even integers if the largest is y into a expression

A: Concept: Consecutive numbers are those that come after one another in ascending sequence, from…

Q: Xylem Park hosts many expos to teach the public about plants. Last year's desert plant expo featured…

A:

Q: Situation B You and your friends are comparing the number of times you have been to the movies in…

A: Enter the data into the SPSS as follows:

Q: The average score of lovelyn in 6 math quizzes is 19. If she will not include her lowest score, her…

A: Let her lowest score be x and the other scores be a,b,c,d,e.

Q: If the sum of 167.6and 73.313is subtracted from the sum of 52.23and 15.33, what is the difference?

A: Given equation

Q: A contingency table has 2 rows and 6 columns What is the value of degrees of freedom

A: Answer: From the given data, Number of rows (r) = 2 Number of columns (c) = 6

Q: avi got 18 out of 20 and Karla got 85% on the same test which one is greate

A: To determine which of the following is greater. Ravi got 18 out of 20 Karla got 85%

Q: Here are the test scores for 8 students in Mr. B's class 82, 58, 90, 37, 75, 62, 43, 73 What is…

A: Given data is82, 58, 90, 37, 75, 62, 43, 73sample size(n)=8

Q: Drawthepolarcurve?=1+3sin3?

A: Solution: The objective is to draw the graph of the polar curve r=1+3sin(3θ)

Q: Sample proportion: (Choose one) Population proportion: (Choose one) v

A: Given: n1 = population size = 49 n2 = sample size =71 x1 = number of favorable cases in population =…

Q: create 2 sample word problems of antidifferentiation with solutions

A: First problem: The rate of water out of a faucet is rt=t3, where t is the number of minutes from the…

Q: In a customer service center, there are 18 complaints dropped per minute. What is theprobability…

A:

Q: What does mean by what 10 less than 46?

A: There is no such introduction for the solution.I have explained it within the solution.Please go…

Q: Which integers can be represented as the sum of three consecutive integers? Provide evidence to…

A:

Q: Explain the similarities between driving through a series of intersections and taking shots in…

A: To explain: The similarities between driving through a series of intersections and taking shots in…

Q: If the sum of - 7 and -3 is increased by 15, what number results?

A: Given : The sum of -7 and -3.

Q: estimate the proportion of people who were caught after being on the 10 most wanted list enter your…

A: Given : Sample Size, n = 334 Number of successes, x = 86

Q: How do you do a spearman’s test ranking

A: To perform spearman's rank correlation coefficient,   Let X and Y are two variables.. first we find…