Given: Hours spent studying Exam score IQ score Hours spent sleeping GPA Hours spent Exam score IQ score Hours spent studying sleeping 1 0.82 0.08 -0.22 0.36 1 0.33 -0.04 0.23 1 0.06 0.02 1 0.12 GPA Using the Coefficient of Determination, how does "hours spent studying" explain "exam score"?

Using the data from the table Disease or illness less than $35,000 $35,000 - 49,999 $50,000 - 74,999 $75,000 - 99,999 $100,000 or more Coronary heart disease 8.1 6.5 6.3 5.3 4.9 Stroke 3.9 2.5 2.3 1.8 1.6 Emphysema 3.2 2.5 1.4 1.0 0.8 Chronic bronchitis  6.3 4.0 4.4 2.2 2.4 Diabetes  11.0 10.4 8.3 5.6 5.9 Ulcers 8.7 6.7 6.5 4.7 4.4 Kidney disease 3.0 1.9 1.3 0.9 0.9 Liver disease 2.0 1.6 1.0 0.6 0.7 Chronic arthritis  33.4 30.3 27.9 27.4 24.4 Hearing trouble  17.2 16.0 16.0 16.2 12.4 Vision trouble  12.7 9.8 7.5 5.7 6.6 No teeth 11.6 7.8 5.5 4.2 4.1 A) create a line graph plotting Annual family income on the x-axis and prevalence of disease or illness on the y-axis. Include all data points for each disease on the same chart ( i.e.? plot the prevalence for each disease or illness as it's own line on a single chart) B) do any of the chronic disease in the table appear to have a dose-response relationship to annual family income? Justify your…

The probability of committing a Type I error is: Group of answer choices A.usually equal to the level of measurement B.equal to the standard error always less than the probability of a Type II error C.1.00 minus the probability of committing a Type II error D.the level of significance

Errors in estimating population proportions occur because? a. The p bar value is not the same as the p value b. The p bar value is the same as the p value c. The value of x bar is not equal to the value of x

What is the missing value in the GFDT?

You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test

Tinder and Online Dating: Everything Up to the Pearson Coefficient Which statistical test could be used to determine if there was a relationship between the two variables, degree of narcissism and quality of jawline? a. z test b. single-sample t test c. paired-samples t test d. independent-samples t test e. one-way between-groups ANOVA f. one-way within-groups ANOVA g. two-way between-groups ANOVA h. Pearson Correlation Coefficient

Claim: The proportion of children who play sports is less than 55%. Sample statistics include n = 1,320 subjects with 33% saying that they play a sport. Find the value of the test statistic.  Round your answer to two decimal places, if needed.

Home Prices A real estate agent compares the selling prices of homes in two municipalities in a certain location to see if there is a difference. The results of the study are shown. Is there enough evidence to reject the claim that the average cost of a home in both locations is the same? Use a = 0.10. City A City B X = $96,950 X,= $98,600 o, = $5602 0, = $4731 n, = 36 n2= 37 Part 1 of 5 motheses and identify the claim. separate them with (s):-1.65, 1.65 Part: 2 / 5 Part 3 of 5 (c) Compute the test value. Always round z score values to at least two decimal places.