Thank you for the help with the last question your response helped me better understand.. Directional and nondirectional hypotheses can be easily interchanged according to the hypothesis the researcher is testing. For instance, a drug company might predict that a drug will help a subject lose weight while another drug company
The solution gives detailed steps on performing a hypothesis testing (formal 5-step procedure). All formula and calculations are shown and explained.
Is there a difference in the total cough symptom improvement scores between children given Honey or DM liquids with a 95% confidence level? A. Choose the Hypothesis B. Specify the Decision Rule C. Calculate the test statistic, P-value D. Make the Decision E. Give an interpretation of the Decision (See attached file for
Please explain meta-analysis to me in layman's terms. Then, read the article below and provide a summary of the article and identify how meta-analysis was used in the study. Jefferson, T., Smith, S., Demicheli, V., Harnden, A., Rivetti, A., & Di Pietrantonj, C. (2005). Assessment of the efficacy and effectiveness of influen
The solution gives detailed steps on calculating odds ratio. All the formula and calcuations are shown and explained.
Please check odds of heavy use and odds of no heavy use are correct. Also, please provide details to find the odds ratio portion. 2. A case-control study is conducted to assess the relationship between heavy alcohol use during the first trimester of pregnancy and miscarriage. Fifty women who suffered miscarriage are enrolle
Based on data from the National Health and Nutrition Examination Survey assume that the a height of female college students are normally distributed with a MEAN OF 64 INCHES and standard deviation of 2.5 inches. Find the probability that a female student randomly selected from the above population will have a height equal to o
Use American Intellectual Union (AIU) labor data (attached). Examine extrinsic job satisfaction (quantitative) and gender (qualitative) variables. 1. Identify the data you selected. 2. Explain why the data was selected. 3. Explain what was learned by examining these sets of data. 4. Your analysis should include three me
You have just purchased a small retail shop. You are preparing to order greeting cards. Past sales have been tracked by price point; day of the week; week of the year; and sex, age and zip code of the purchaser. There are definite differences in purchasing patterns for certain holidays. You have data for the past 24 months. What
Choose and run the appropriate descriptive statistics (graphic and numerical) to describe the sample's age, sex, height, and year in college.
The solution gives detailed steps on calculating sensitivity, specificity, positive and negative predictive value for a given postive test under various conditions. All formula and calcuations are shown and explained.
The following table shows results obtained in a new screening test for disease X used on 10,000 persons based on a serum marker. The cut off level was a serum marker value of 180mg or above as positive for this disease: Results of screening test for Disease X Test result Disease present Disease absent Total Positive
Please explain Phase I Clinical Trials (in layman's terms) and explain the randomization and/or estimation implications for the phase. Please provide a specific example of this from the following journal article. Thank you. Reference: Harper, F. W., Heath, E. I., Gleason, M. E., Penner, L., LoRusso, P., Wang, D., & Albrecht,
Create a new Minitab database in which you will be able to enter the following variables: Subject identification (ID) number Age Sex Height Year in college Name each variable and identify the type as either numeric or alphanumeric (text). Categorical data (nominal or ordinal) should be entered as alphanumeric, and co
See the attached file. Use the M&Ms® data to complete this assignment. You will be using the methods of 7.4 for the color proportions and 7.2 for the mean number of candies per bag. For the Bonus you will be using the methods of 7.5. You can use StatCrunch to assist with the calculations. A link for StatCrunch can be f
What is the difference between 'basic' research and 'applied' research? Give example for each; try to link your examples to problems that you observe in an organization.
The five numbers summary below shows the grade distribution of two SAT 200 quizzes minimum Q1 Median Q3 Maximum Quiz 1.............12...............50.............60...................95...................100 Quiz 2..............20...............35............50
Research Questions for Correlational and Chi-Square Designs What types of variables are measured using Pearson coefficient, and what types variables are measured with chi square; I am looking for names of variables (e.g., nominal, interval)?
Explain how descriptive statistics are related to data distribution graphs and how effective this qualitative method is in describing population characteristics.
Problem 1: Using Symbols Word-process the symbol for population standard deviation (sigma) in the space below: Using Subscripts Word-process the symbol for population standard deviation with subscript x (sigma subscript x) in the space below: Using Equations Word-process the following five equations: k= N/n z= (
In order to control costs, a company wishes to study the amount of money its sales force spends entertaining clients. The following is a random sample of six entertainment expenses (dinner costs for four people) from expense reports submitted by members of the sales force. $157, $132, $109, $145, $125, $139 a) Calculate xbar,
TREPHENA HARDING SCOTT The letters in the above name represents the data set. From the given data set please answer the questions below. What is the type of your data? 1. What is the size of your data set? 2. Write your data in order from A to Z. For example, the student whose complete name is First Midd
1. Find the equation of the regression line for the given data. What is the predicted value of Y when X = -2? What is the predicted value of Y when X = 4? X -7 -2 5 1 -1 -2 0 2 3 -3 Y -12 -8 9 1 -5 -6 -1 4 7 -8 2. The data belo
CASE STUDY Dr. Zak developed a test to measure depression. He sampled 100 university students to take his five item test. The group of students was comprised of 30 men and 70 women. In this group, four persons were African American, six persons were Hispanic, and one person was Asian. Zak's Miraculous Test of Depression is pr
I am not sure what to do and these are very hard. Please help me as I can use this as an tutorial. Attached is also the data information 6.56 Obtain descriptive statistics and graphic displays for these salt-taste indices. Do the indices appear to be normally distributed? Why or why not? Compute the sample mean for this ind
2003 MLB Salaries by Team TEAM TOTAL PAYROLL AVG SALARY MEDIAN STD DEV New York Yankees $ 152,749,814 $ 5,455,350 $ 4,575,000 $ 4,781,135 New York Mets $ 117,176,429 $ 4,040,566 $ 1,300,000 $ 4,893,080 Atlanta Braves $ 106,243,667 $ 3,934,950 $ 800,000 $ 5,063,167 Los Angeles Dodgers $ 105,872,620 $ 4,072,023 $ 2,605,83
I'm to compute a One-Way ANOVA with one IV, a nominal variable that has 3 or more levels and one DV, a Likert style or Ratio variable. I'm having trouble identifing a nominal variable that has 3 levels and DV, a Likert style or Ratio variable. I'm to use a code book but they all look the same to me. Sample from codebo
Rensis Likert was the first to develop a method for measuring attitudes. He created survey items which were statements or questions, followed by an indication of agreement or support i.e. 5) strongly agree 4) somewhat agree 3) no opinion 2) slightly disagree 1) strongly disagree. Surveys using Likert scales are a common form of
Four projects must be completed, and each of four employees will be assigned to work on exactly one of the four projects. The table below presents an estimate of the cost that each employee would incur if working on the respective projects. What is the minimum-cost assignment of workers to projects? Table is attached.
1. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Find the standard deviation of the data summarized in the given frequency distribution. Salary Number of Employees 5,001 -10,000 14 10,001 - 15,000 13 15,001
Z-Scores Using the appropriate descriptive statistics from your Week 2 final project assignment and assuming that the sample statistics you computed are exactly equivalent to the corresponding population parameters, identify: What score on the pre-treatment Revised Children's Manifest Anxiety Scales (RCMAS) would correspon
The table below shows the values of the population means for a response variable at different treatments. Fill in the missing entries under the assumption that there is no interaction. Factors A = 1 A = 2 A = 3 B = 1 7 12 2 B = 2 7
This season, a fruit wholesaler has 1000 lb of fresh strawberries for sale. Previous experience shows that demand is a function of the price it charges and is given by the following: Demand = 1000 - 150 * Price For instance, when the price is $1.00 per lb, the demand is equal to 1000 - 150*1 = 850 lb. Any left-over strawberr