In a volunteer group, adults 21 and older volunteer between 1 and 9 hours each week. The program includes people from a community college, a four-year college, and non-students. The leader of the group is interested in seeing if there is a relationship between the type of volunteer and the number of hours volunteered. She collected the following data below. Perform a hypothesis test to help her at 0.01 level of significance. 1-3 hours 4-6 hours 7-9 hours

Q: O subjects in a study were randomly assigned into two equally sized groups. One group was shown a…

A: Given data is:

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: Checkup One of the authors has an adopted grandson whose birth family members are very short. After…

A: A z-score, when expressed in standard deviation units, represents the location of a raw score in…

Q: What is the value of Ex² for the scores 1, 0, 2, 4? O 21 O 28 O 14

A:

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: Which z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25

A: We will find z-score is the nearest to the mean? +0.50 +0.75 +1.00 -0.25 ?

Q: Find P(F or G) by counting the number of outcomes in F or G.   P(F or G) =

A: The given outcomes  is . The sample space is .

Q: Define the test variable?

A: Introduction A variable is a characteristic that is being tested.

Q: Illustrate the Test R2 for significance?

A: Coefficient of determination: The coefficient of determination (r2) is the percentage of total…

Q: Twenty years ago, 57% of parents of children in high school felt it was a serious problem that high…

A: n = 900 x = 363 P0 = 0.57

Q: I think you are wrong on the median for Rural. I get 8.1. Can you please check other answers as…

A: For Urban, the data in ascending order is11, 11, 12, 13, 16, 18, 18, 21, 22, 24, 29, 49, 94,, 107,…

Q: weight-loss program, and she had 15 individuals participating in the program. She weighed…

A:

Q: Warren tosses 5 coins. Write down the sample space where H = head and T = tail. Ex: HHHTH

A:

Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: Test whether patients getting Treatment 1 are more likely to survive, if 62 out of 82 getting…

A:

Q: What is the p-value only?

A: It is given that  In the original solution  The value of the test statistic is z = 3.92. The given…

Q: What is the value of SX + 1 for the scores 1, 6, 3?

A: The sum of scores is 1+6+3 = 10. That is, SX = 10

Q: AP Stats The College Board reported that 58.7% of allstudents who took the 2010 AP Statistics exam…

A: The hypotheses are given below: Null hypothesis: H0: p=0.587. Alternative hypothesis: H1:p>0.587.…

Q: The New York Jets lost their first 8 games of the 2020 NFL season. In those games, they scored the…

A: The data set :-X :- 17, 13, 7, 28, 10, 0, 10, 9

Q: If P(A) = 0.3, P(B) = 0.5, and P(A and B) = 0.2, find P(A or B). P(A or B) = Need Help? Read It

A:

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

A:

Q: Find the number of different selections of 4 letters from the word STATISTICS.

A: "STATISTICS" No.of letters in the word " STATISTICS " =10

Q: Give the scores: 88, 64, 77, 94, 67, 59, 99, 87, 94, 71,75 Find the score at the 72nd percentile or…

A: Given data is88,64,77,94,67,59,99,87,94,71,75sample size(n)=11

Q: What are the steps for Finding Proportions for One Score?

A:

Q: Find the mean: 4,5,7,9

A: The data set is: 4,5,7,9

Q: Find the percentile for the data value. Data set: 3, 11, 7, 22, 3, 23, 13; data value: 7

A: Data set is 3, 11, 7, 22, 3, 23, 13

Q: Find the median: 25, 18, 17, 29, 40 Median=

A: Given data set: 25, 18, 17, 29, 40

Q: Use the information provided here to answer the following questions. H0 : p 60, n 36, Xbar = 58.…

A: option (a) which is the information provided characterizes one smaple, one sided test is correct…

Q: Could you explain where t-score = -1.97 for 5% come from? I don´t see anywhere

A: The sample size n is 221.

Q: How did you get the p-value?

A:

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: Describe how to find approximate p-Values.

A:

Q: (14-25)/51 %23

A: Recall: A straight line has an angle of 180°.

Q: Find the mode, median, and mean of the scores. (If there is no mode, enter NON 6.05, 5.01, 5.14,…

A:

Q: Goerge  has  organized and  summarized  a set of measurement data .can u name and describe   4 kinds…

A: Descriptive statistics : It summarizes or describes characteristics of a data set  Descriptive…

Q: Fill in the blanks: Write exact answers, except for the p-value. A company claims that each of their…

A:

Q: 33% prefer aisle seat

A: The confidence interval = 95%Margin of error [E] = 2.5%

Q: V. EVALUATION: Given the following scores : 5, 7, 12, 14, 15, 22, 25, 30, 36, 42, 53, 65. Find: 1. Q…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: How do ypu find the preducted score is the price is $60

A: Let the independent variable (x) = price ($) Let the dependent variable (y) = overall score The…

Q: Can you calculate the grades. The green ones are the grades got on each exam.

A: To calculate the grades of the marks obtained in each exam that are represented by color green.…

Q: What does course median mean on a report card. My mark for the class I am taking is 80% and the…

A: Descriptive statistics

Q: Z score that corresponds to p97

A: Given, Confidence level= 97% Level of significance,α =1-0.97=0.03