A fitness/wellness psychologist and a Sports Doctor were interested in knowing how different individuals respond to high intensity workouts. In their experiment, they studied the differences in the heart rates of males and females who were either living a sedentary (control) and physically active lifestyle (regular runners). The results are found below. A. Provide a Table-Reading Text given the results found below.
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- Ouestion 3. , Explain the reason behind dividing the mean square for any factor in ANOVA table by the mean square error to calculate Fo.Student Absences and Grades on the Final Exam Dr. V. noticed that the more frequently a student is late or absent from class the worse he or she performs on the final exam. He decided to investigate. Dr. V. collected a random sample of 22 students. This sample includes the number of times a student is absent and their grades on the final exam. The data can be found in the Excel file Assignment10_R1.xlsx on the Exercise1_Excel_Built-in f. worksheet. Do not use any software that I did not assign. Question 1: Which or the two variables (times absent or grades on the final exam) is the independent variable and which is the dependent variable? Question 2: Using Microsoft Excel: (Excel file Assignment10_R1.xlsx on the Exercise1_Excel_Built-in f.xlsx worksheet) Count the number of XY variables. Calculate the mean and sample standard deviation of both the independent and dependent variables. Calculate the correlation coefficient, r, using Excel’s CORREL function. Explain…Student Absences and Grades on the Final Exam Dr. V. noticed that the more frequently a student is late or absent from class the worse he or she performs on the final exam. He decided to investigate. Dr. V. collected a random sample of 22 students. This sample includes the number of times a student is absent and their grades on the final exam. The data can be found in the Excel file Assignment10_R1.xlsx on the Exercise1_Excel_Built-in f. worksheet. Do not use any software that I did not assign. Calculate the correlation coefficient, r, using Excel’s CORREL function. Explain what it means. Calculate the coefficient of determination, r2, using Excel’s RSQ function. Explain what it means..
- Use Tukey's HSD testStudent Absences and Grades on the Final Exam Dr. V. noticed that the more frequently a student is late or absent from class the worse he or she performs on the final exam. He decided to investigate. Dr. V. collected a random sample of 22 students. This sample includes the number of times a student is absent and their grades on the final exam. The data can be found in the Excel file Assignment10_R1.xlsx on the Exercise1_Excel_Built-in f. worksheet. Do not use any software that I did not assign. : Using Excel, conduct a NHST to determine whether there is a correlation in the population. Use a 0.05 significance level. Use the Excel file Assignment10_R1.xlsx, Exercise1_Correlation NHST worksheet) Test Set-Up: What type of Null Hypothesis Test should you use? It this a left-tailed, two-tailed, or right-tailed test. Significance Level: Use a 5% significance level. What is/are the Critical Value(s)? Write the Null & Alternate Hypotheses (Follow the examples shown in…indicator for gender (=1 if male, =0 if female). Your data set has 200 observations. donation = 1.57 + 0.12age + 0.08age? – 0.43 gender + 0.07(gender * age), R? = 0.33 (0.15)* (0.67) (0.11) (0.01) (0.06) donation = 1.59 (0.68) 0.46 gender, R² = 0.30 (0.17) 1. Assuming homoscedastic errors, test the hypothesis that age affects charitable donations at the 5% level. 2. Interpret the coefficient on gender interacted with age. 3. How would you test that the difference in giving between men and women is independent of age? If you can run the test, run it. If you cannot, explain what you need.
- x1: Rate of hay fever per 1000 population for people under 25 96, 92, 122,126, 94, 123,12, 93, 125, 95, 125, 117, 97, 122,127, 88 x2: Rate of hay fever per 1000 population for people over 5097, 112,103, 96,114, 88, 110, 79, 15, 100, 89, 114, 85, 96 x1 = s1 = x2 = s2 = Compute the corresponding z or t-value as appropriate. (Test the difference ?1 − ?2. Do not use rounded values. Round your answer to three decimal places.) What is the value of the sample test statistic? Find a 90% confidence interval for ?1 − ?2. (Round your answers to two decimal places.)lower limit:________upper limit:________lever | Portal E Edulastic -> * app.edulastic.com/student/assessment/6047cfb343405200082ef515/class/S14b08b95dd16ded17187931/uta/60481 Question 7/8 > NEXT A BOOKMARK E7 The table below shows the frequency of FSA Writes essay scores for a particular group of students. Essay score Number of students 2. 3. 4. 4. 3. 2. 6. 1 How many students were in this data set? How many students earned at least a level 3 essay score? What ie the mode of the data cet? O Type here to search DELL F3 F4 F6 F7 FB F9 F10 Esc F2 4. 144 %23 %24 2 3 7 8 T. Y Tab Q F aps Lock C e in RCompute the mean for the population