Preview

Chapter 11 Questions To Be Graded

Satisfactory Essays
Open Document
Open Document
878 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Chapter 11 Questions To Be Graded
Chapter 11 Questions to be graded:
5. Were the experimental and control groups similar in their type of feeding? Provide a rationale for your answer.
Answer: Yes the experimental and control groups are similar in their feeding type because 40.6% in the experimental group decided to breast-feed, and 41.7% in the control group decided to breast-feed, that's only 1.1% difference. 53.1% of the experimental group bottle-fed while 50.0% of the control group bottle-fed, a small 3.1% difference. Finally, 6.3% in the experimental group breast and bottle-fed, while 5.6% in the control group breast and bottle-fed, a mere 0.7% difference.
6. What was the marital status mode for the subjects in the experimental and control groups? Provide both the frequency and percentage for the marital status mode for both groups?
Answer: the marital status mode for the subjects in the experimental group is married and married for the control group as well. The frequency of the experimental group is 25 with a 78% percentage rate and 31 for the control group with an 86% percentage.
7. Could a median be determined for the education data? If so, what would the median be for education for the experimental and the control groups? Provide a rationale for your answer. Answer: Yes a median can be determined for the educational data. The median for the experimental group would be some college, and the median for the control group would be college graduate or higher. The experimental group median value was 11 while the control group median value was 13.
8. Can the findings from this study be generalized to Black women? Provide a rationale for your answer. Answer: No, this study cannot be generalized to black women because there was only one black 1 Black woman in the experimental group, and 0 in the control group, there was not enough.
9. If there were 32 subjects in the experimental group and 36 subjects in the control group, why is the income data only reported for 30 subjects in the experimental

You May Also Find These Documents Helpful

  • Satisfactory Essays

    The groups were not similar in their type of feedings. The control group had a greater number of feedings noted. The experimental group only had 13 breast fed, 17 bottle fed, and 2 that participated in…

    • 667 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    StatsTest1 2

    • 759 Words
    • 5 Pages

    5. The mean height of a class of 30 children is 53 in., the median is 49 in., the standard deviation is 2.7. in., and the interquartile range is 3.5 in.…

    • 759 Words
    • 5 Pages
    Satisfactory Essays
  • Powerful Essays

    Chapter 9 Review Questions

    • 1133 Words
    • 5 Pages

    True or False: A permanent magnet is a piece of material that has been magnetized and can hold its magnetic strength for a reasonable length of time. True.…

    • 1133 Words
    • 5 Pages
    Powerful Essays
  • Satisfactory Essays

    How to Read a Table

    • 257 Words
    • 2 Pages

    7. From the information presented in the table, what statement can you make about the relationship between educational attainment and median earnings? Base your statement on what you observe from the data in the tables. (5 points)…

    • 257 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Arithmetic Mean and Sample

    • 1709 Words
    • 7 Pages

    3. A sample may be drawn to: a. Save needless waste of time, money, and effort. b. Discover facts about a population. c. Make inferences about a parameter. d. All of the above. 4. The measure of central tendency which is sensitive to extreme scores on the higher or lower end of a distribution is the: a. median. b. mean. c. mode. d. all of the above e. none of the above 5. A large mass of data can best be summarized pictorially by means of: a. the range b. a histogram c. the frequency table d. the variance 6. Any characteristic of a population distribution may properly be referred to as a: a. standard deviation. b. raw score. c. standard score. d. standard error. e. parameter. 7. A distribution of 6 scores has a median of 21. If the highest score increases 3 points, the median will become ___________. a. 21 b. 21.5 c. 24 d. Cannot be determined without additional information. e. none of these 8. A population is:…

    • 1709 Words
    • 7 Pages
    Good Essays
  • Good Essays

    With a random sample of high school students, randomly assign each student one of two colors in order to split them into two groups. Each group will be placed in one of two life skills classes that will meet every day throughout the semester to discuss high school life. In order to prevent The Rosenthal Effect, the teacher of this class will not be a member of the research team. The experiment will be presented to the students as a study on the high school experience looking at levels such as stress, happiness and aggression in order to prevent research biases that may arise if they subjects know the true purpose of the study. In the control group, each participant will be given a cup of water every day. In the experimental group, each participant will be given a cup of soda. They will be asked to finish their drink by the end of the life skills period. At the end of each week, both groups will fill out the same survey that will be used to operationalize the frequency of violence. The survey should feature questions on stress, anxiety, happiness and violent behavior. The subjects will rate these feelings on a one to five scale: one being they did not experience the specific feeling in the last week and five being that they experienced the…

    • 498 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Group Assignment 1

    • 445 Words
    • 2 Pages

    c. Conduct a test to determine if there exist a difference in the mean executive salary for the following groups of industries:…

    • 445 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Experimental Design

    • 984 Words
    • 4 Pages

    Once the 36 students agree to be in the study, they will be randomly assigned to 3 groups (2 experimental groups and 1 control group), each containing 6 males and 6 females. Computer generated random numbers will be used to make assignments. The three groups will be scheduled to meet separately at the school on three successive afternoons from 10:00am to 2:00 pm.…

    • 984 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Statistics and Difference

    • 2105 Words
    • 9 Pages

    The above samples are independent within and also between each other. To obtain an accurate analysis of the data, the normality, box plot and straight-line relationship and independence of the statistical analysis will be checked. The Null or Alternative Hypothesis will be accepted or rejected on the basis of a statistical analysis, which will be used to analyse the median…

    • 2105 Words
    • 9 Pages
    Good Essays
  • Good Essays

    Using data from kellogg’s business scenario, prepare a range of graphs using spreadsheets- line, pie, bar charts and histograms, and draw valid conclusions based on the information derived.You are familiar with percentile scores of national educational tests such as ACT, SAT, and GMAT, which tell you where you stand in comparison with others. For example, if you are in the 83rd percentile, then 83 percent of the test-takers scored below you, and you are in the top 17 percent of all test-takers. However, only when the sample is large can we meaningfully divide the data into 100 groups( percentiles).…

    • 443 Words
    • 2 Pages
    Good Essays
  • Good Essays

    2. What are the pre-test and post- test mean scores of the students of control and experimental groups ?…

    • 594 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Education in Egypt

    • 929 Words
    • 4 Pages

    The Research had 62 samples, they were all either students or parents, they were random samples, and all students where school students.…

    • 929 Words
    • 4 Pages
    Satisfactory Essays
  • Powerful Essays

    Week 5 Practice Problems

    • 1211 Words
    • 5 Pages

    Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test (with an estimated population standard deviation of 3); the control group has a mean of 35 (with an estimated population standard deviation of 5). Using…

    • 1211 Words
    • 5 Pages
    Powerful Essays
  • Satisfactory Essays

    Eating Paint

    • 2024 Words
    • 9 Pages

    3. Find the simple summary statistics for each group. Find a standard error for each mean, and a confidence interval for the mean of each group. Interpret the se’s and the confidence intervals. 4. Estimate the difference in the means and obtain an estimated se for the difference and a confidence interval for the difference. Interpret the se and the confidence interval. 5. Define the parameters of this experiment,…

    • 2024 Words
    • 9 Pages
    Satisfactory Essays
  • Powerful Essays

    P.A.S.S Research Paper

    • 2121 Words
    • 9 Pages

    3. Is there a difference in the manifested study habits of the respondents when grouped according to:…

    • 2121 Words
    • 9 Pages
    Powerful Essays