Five statistics students (n=5) are compared to a sample of 8 sociology students with regard to the number of hour they sleep. Here is the data for hours slept for the statistics students:
8, 6, 5, 13, 10
Here is the data for 8 sociology students (n=8).
7, 4, 7, 8, 10, 12, 9, 6
Conduct a t-test to determine if the statistics students sleep a different amount than the sample of sociology students?
Be sure to address all four steps of the hypothesis test.
Want to see the full answer?
Check out a sample Q&A here
Related Statistics Q&A
Find answers to questions asked by students like you.
Q: A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample…
A: (A) Given that, M=7 SS=72 n=9 s2=SS/n-1=72/(9-1)=9. From the given information, the claim of the…
Q: The number of children diagnosed with autism has increased in the last 30 years. Researchers wanted…
A: Given a sample of 5000 children. (A) The total number of girls =2500 The number of girls being…
Q: Elvin wants to know how the school views him as their leader. He asked his friend, Marcus, to…
A: Click to see the answer
Q: Natasha is a physician looking to determine whether a supplement is effective in helping men lose…
A: Test statistic results:For testing whether a supplement is effective in helping men lose weight or…
Q: Natasha is a physician looking to determine whether a supplement is effective in helping men lose…
A: According to the given question, Natasha is a physician looking to determine whether a supplement is…
Q: 7th grade science teacher would like to know if spending more time doing class experiments will help…
A: We have given that Sample size n=25 When sigma is known then we use z-test And sample size is…
Q: a sample of n=20 scores has a mean of M=30. A second sample of n=10 scores has a mean of M=50. If…
A: Click to see the answer
Q: The University of Colorado conducted a Halloween candy consumption study. The researchers measured…
A: The descriptive statistics is conducted using EXCEL. The software procedure is given below: Enter…
Q: The personality characteristics of business leaders (e.g., CEOS) are related to the operations of…
A: Null Hypothesis: H0: The business leaders' openness to experience is equal to the population.…
Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…
A: Let n denote the number of cookies. The number of chocolate chips per cookie in the sample has a…
Q: A sample of 200 students at a large university was taken after the midterm to ask them whether they…
A: Given that: Sample size (n) = 200 Did well on midterm Did poorly on midterm total Row…
Q: Twenty different statistics students are randomly selected. For each of them, their body temperature…
A: 1. Correlation between two variables measure the strength and direction between two variables. It…
Q: A jeep gets 53 highway miles per gallon. Howvever, an SUV believes gas mileage for their new line is…
A: Given Information : Population mean (u) = 53 miles per gallon The results of the 8 cars tested as…
Q: A developmental psychologist is examining problem solving ability for grade school children. Random…
A: To test if there are any significant differences among the three age groups we will use one way…
Q: Suppose you take a random sample of 10 juniors who bought the same model laptop when they were…
A: According to the provided information, 10 laptops were used to determine how long their batteries…
Q: Five statistics students (n=5) are compared to a sample of 8 sociology students with regard to the…
A: Here, we see that we are given a data, with 5 statistics students and 8 sociology students. We are…
Q: Five statistics students (n=5) are compared to a sample of 8 sociology students with regard to the…
A: Use the given data to form the excel table: Statistics(x) x-x¯ x-x¯2 8 1 1…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: State the hypotheses. That is, there is no evidence that participation in the physical fitness…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: It is given that:
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Click to see the answer
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Using the given relation for the difference "d" calculating the values: Sit-ups before Sit-ups…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: To test:H0:μd=0H0:μd<0 where μd=μ1-μ2
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: State the hypotheses. That is, there is no evidence that participation in the physical fitness…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Solution: Let x= Sit ups Before y= Sit ups after x y d=y-x (d-d) (d-d)2 42 57 15 6.6 43.56…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Given : Claim : A fitness course can improve an individual ability Sample of size ( n ) is taken.
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Click to see the answer
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: Introduction: Consider that μd is the true mean difference between number of sit-ups than can be…
Q: A fitness course claims that it can improve an individual's physical ability. To test the effect of…
A: The following information has been provided: Sample 1 = Sit-ups after Sample 2 = Sit-ups before…
Q: A researcher wants to determine if people who watch 2 or more hours of television a day are happier…
A: They are testing on users.
Q: THE FOLLOWING ARE THE SCORES OBTAINED BY 9 STUDENTS FROM STEM 12-Y1-20 IN THEIR THIRD QUARTERLY…
A: Click to see the answer
Q: A researcher conducts a study to determine whether spending time outdoors improves happiness. She…
A: (a). Null and alternate hypotheses: The investigator is specifically interested to test whether the…
Q: An educator wishes to determine whether there is a difference in the favorite subjects selected by…
A: It is needed to test, whether subject selection is independent of the gender of the individual.
Q: A researcher obtained a random sample of n= 60 students to determine if there were any significant…
A: State the hypotheses. Null hypothesis: Alternative hypothesis:
Q: Each child in a group was asked to choose a single favorite type of cereal. The table shows the…
A: Given: Type of Cereal Number of Children Oatmeal 15 Grits 10 Wheat porridge 2 Cold…
Q: The accompanying table summarizes data from a survey of 3,594 parents with school-aged children. In…
A: Given Information: In a survey parents were asked if they were completely satisfied with the…
Q: a) Suppose you plan to invest equal amounts of money in each of 3 business ventures. If you have 7…
A: a. Combination: The number of different selections of ‘r’ elements (order doesn’t matter) from a set…
Q: 3. The data show the amounts (in thousands of dollars) of the contracts for soft drink in randomly…
A: Click to see the answer
Q: An educational psychologist is concerned about the effect of distractions on studying. The…
A: Solution
Q: Electric motors are assembled on four different production lines. Random samples of motors are taken…
A: State the test hypotheses. Null hypothesis: H0: The failure rates do not differ among four lines.…
Q: A state legislator wants to determine whether her performance rating (0-100) has changed from last…
A: Given: Voter Last Year This Year 1 60 56 2 54 48 3 78 70 4 84 60 5 91 85 6 25 40 7…
Q: Twenty different statistics students are randomly selected. For each of them, their body temperature…
A: Karl Pearson's Correlation Coefficient "r" (Product Moment Correlation):- It is a measure of the…
Q: Q1: As a project for his statistics class in Spring 2001, Ahmed was supposed to take a random sample…
A: (a) Total number of parking places are 950. The parking lot is full so the total number of cars in…
Q: A) Of the students in the college, 60% of the students reside in the hostel and 40% of the students…
A: It is an important part of statistics. It is widely used.
Q: In sociology, a personal network is defined as the people with whom you make frequent contact. A…
A: Click to see the answer
Q: A student believes that physical science professors are more authoritarian than social science…
A: Hypothesis: The null hypothesis is, H0: There is no difference in the scores among the three group…
Q: 5c. There were 103 data values made available for this problem. This number will be reduced using a…
A: It is been asked to find the 10 sample numbers selected using systematic sampling method if the…
Q: According to a recent census, 14.9%of all housing units in a certain country are vacant. A county…
A: Solution-: Given: We take, We find p-value=?
Q: A meat market manager wants to determine how many servings of fish his adult Customers eat per week.…
A: The meat market manager wants to determine the number of servings of fish his adult customer eat per…
Q: I'm trying to figure out how to do this question on my homework, but don't know how to start the…
A: From the given information, It has been given that, Before After 7.5 4.3 6.4 5.1…
Q: A major American pharmaceutical company has randomly sampled 14 customers who have had prescriptions…
A: All the people had heart rates of 55 prior to taking the drug. Sample size n = 14 Sample…
