Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons, whom are measured for number of correct responses on a memory test before and after reinforcement training.  Using a two-tailed test and use the data below to determine whether or not there is a difference between the two measurement conditions. Before Reinforcement After Reinforcement 6 5 8 8 5 4 7 6 4 3 7 7 6 6 8 4 What is the t-obtained value for this test?

Q: Graeter’s is thinking about expanding its ice cream flavors. They have created three new flavors of…

A: Given Information : Graeter’s is thinking about expanding its ice cream flavors. They have created…

Q: Q#4: In an experiment, a group of college students was told that they were participating in a manual…

A: The random variable is reporting pain. There are two independent samples which are counting money…

Q: use the SPSS output that follows, which uses data from the 2014 General Social Survey. The analysis…

A: 9. The value of γ^ is given from the given SPSS output. The claim: There is ordinal association…

Q: Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A: Paired t test: When comparing two treatments, if the same subject is assigned to two types of…

Q: Exercise is known to produce positive psychological effects. Interestingly, not all exercise is…

A: given that

Q: Treat the data as if the scores are from an independent-measures study using two separate samples,…

A: As per our guidelines, we are allowed to answer three sub-parts per query. Here in this question…

Q: What kind of t-test could be used to test whether the type of instruction had any effect on…

A: The t test is used when the population variance is unknown and sample size is small. The one sample…

Q: Participants threw darts at a target. In one condition, they used their preferred hand; in the other…

A: Given : preferred(1) non preferred(2)         12         7          7         9         11…

Q: Test the claim that the mean GPA of night students is significantly different than 2.9 at the 0.01…

A:

Q: 1.Interpret the result in 1 sentence to answer the research question (you may use the wording from…

A: Given Data :   Sample 1 = Age 70 Sample 2 = Age 80 Difference = Sample 1 - Sample 2   72 67 5…

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: State the hypotheses.   Let p1 denotes the proportion of men who own cats Let p2 denotes the…

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 70 Salary (thousands…

A: if  a person is making the first quartile salary for a CPA , they are making less than ? % of…

Q: What is the the alternative hypothesis?  what is the null hypothesis?  what is the t critical…

A: Let X be the random variable number of correct responses on a memory test before reinforcement…

Q: A repeated-measures research study was conducted to measure the effect of a brain boosting drug on…

A: The difference is, Subject Before After Difference #1 6 11 -5 #2 4 8 -4 #3 7 5 2 #4 10 15…

Q: Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: An educational psychologist studies the effect of frequent testing on retention of course material.…

A: GivenTwo independent samples with data as shown below a)The hypothesis test to be used here is two…

Q: Graeter’s is thinking about expanding its ice cream flavors. They have created three new flavors of…

A: Given information: The data represents the ratings of 3 ice-cream flavours Lemon Merengue pie,…

Q: Imagine you are interested in the effect of violence in the video games kids play and the level of…

A: Given: One is interested in the effect of violence in the video games kids play and the level of…

Q: The following table shows how many minutes Julian spent in the NetTutor this summer for Math 11 on…

A: The MAC told me that Julian had just logged a 15-minute day yesterday. Mean and standard deviation:

Q: Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A: Let μd is defined as the mean difference between the reinforcement before and after. The claim of…

Q: A researcher is interested in seeing if there is a significant relationship between the number of…

A: Given : Participants Reading Speed Test Score (x) No. of Books Read(y) 1 9 6 2 16 7 3 24 10…

Q: enee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A:

Q: The result for a Pearson’s r for online, university students’ perceived learning and their sense of…

A:

Q: A researcher selects a sample of 100 people to investigate the relationship between gender…

A: Expected frequency: The table of a cell is calculated by the ratio of the product of the row total…

Q: Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons,…

A: Here, the suitable test for the given situation is paired t test. There are 8 observations That is,…

Q: A recent report stated that the proportion of teens that vape has decreased from the prior year. The…

A: From the given information we conduct Z test for two proportion.

Q: A doctor at a clinic wants to determine if its oral and ear thermometers measure the same body…

A: c) The mean and standard deviation for ear are  mean (x1)=sum of all the obersvationsTotal numbers…

Q: A. Below are sample research questions. Identify which T-test (Independent or Dependent) are you…

A: Dependent T-test is used to compare the means of two dependent group. It is also known as Paired t…

Q: Graeter’s is thinking about expanding its ice cream flavors. They have created three new flavors of…

A: Hey, since there are multiple subparts posted, we will answer first three question. If you want any…

Q: Use the traditional method in testing the hypothesis in the problems below. In each problem, state…

A:

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. CPA Actuary 70 30 40 Salary…

A: given that, box-plot  of CPA and Actuaries in a town

Q: A publisher reports that 46% of their readers own a Jaguar. A marketing executive wants to test the…

A: Given,sample size(n)=220sample proportion(p^)=0.50α=0.05H0:p=0.46H1:p>0.46

Q: Assume you are the owner of a highly-respected law firm.  The data below shows the number of cases…

A: Hypotheses for the test are given below: The appropriate test is a two-sample t-test. Enter the…

Q: proportion of men who own cats is significantly different than the proportion of women who own cats

A: Given that Claim : The proportion of men who own cats is significantly different than the proportion…

Q: a. Identify the dependent variable (this is the outcome measure) and the independent variable (this…

A:

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: Given : The hypothesis of the proportion of men owns a cat is less than the proportion of women who…

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: Consider M represents the cats owned by men and F represents the cats owned by women.The hypothesis…

Q: In certain food experiment, a nutritionist compared two types of baby foods A and B. He claims that…

A: The random variable children’s weight follows normal distribution. There are two independent samples…

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A:

Q: a. Explain what the statistician is doing here? b) Classify this test according to Left, Right or…

A: The objective is to answer the given questions based on the table: Test of μ=76 vs μ<76…

Q: Use the following information to answer the question. A researcher is studying the average number of…

A: The following R output is given.

Q: Conceptually, what does the alternative hypothesis ofa one tailed repeated-measures research study…

A: Answer : Score is increases after treatment

Q: Find the critical value given the information below. 1. Two-tailed test, variance is known a= 0.01 ,…

A: As per company guidelines I solved exactly three subparts of the question.thank you

Q: a) Explain what the statistician is doing here?   b) Classify this test according to Left, Right or…

A: Here use t test

Q: FIND OUT P VALUE FOR GIVEN DATA  TEST STATISTICS T SCORE -2.3698 SAMPLE SIZE = 100 THE TEST IS…

A:

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: From the provided information, Level of significance (α) = 0.05

Q: Random sample of team members average practice time. Team A: x-bar=52.3, s=9.7, n=125 Team B:…

A: (a) Here we need to test that team B spends less time practicing, on average, than those on Team A.…

Q: Q5. Diamond and Lauren are looking at data from two groups. Diamond decides to run her analysis…

A: Note: Hey, since there are multiple questions posted, as per guidelines we will answer first…

Q: n order to determine whether or not a particular medication was effective in curing the common cold,…

A: Expected frequency (E)= Row sub total×Column subtotalGrand total

Q: The local Hannaford was tracking the proportion of customers who bought flour in their stores. In…

A: State the hypotheses.