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- Please, give me answer immediatly.A psychologist believes that the age of an adolescent will have an impact on the number of phone calls made to the opposite sex (in heterosexual people) over the course of one month. They also suspect that gender of the adolescent will have an impact on the number of phone calls made to the opposite sex. Using the hypothetical data provided below, run your analyses in R to test whether age and gender impacts the number of phone calls an adolescent makes. Gender (Binary) Girl Boy Age Young Adolescents (11-14) 7, 2, 3, 5, 3 1, 2, 3, 2, 1 Older Adolescents (15-18) 15, 26, 19, 21, 18 10, 8, 5, 16, 9 ( What kind of statistical analysis do you need to use and why? State the null and alternative hypotheses. Check your assumptions. Include screenshots of your R output and explain why each of them are or are not met. Using R, run your analysis and include a screenshot. Using R, run post-hoc tests and include a screenshot. What do you…Which of the following selected variables, associated with clinical trials of a drug, are quantitative variables? CHECK ALL THAT APPLY. A. Dosage form - 1=tablet, 2=capsule, 3=liquid solution, 4=other B. Body mass index (kg/m?) C. Age (in years) - <20, 20-30, 30-40, 40-50, 50-60, 60 or above D. Gender - Male, Female E. Smoking history (cigarettes per year)
- d. From the estimated coefficient of the variable edu, how do you conclude about the impact of spending on labor training on the performance of the enterprise?e. From the estimated coefficient of the variable RD, how do you conclude about the impact of spending on R&D on the performance of the business?f. Can it be concluded that enterprise size has a positive effect on firm performance? Why? Please help me with these questions and provide detail answer. i would need your answers to review for exam. Thank you in advanced!!A large manufacturing company producing air conditioner compressor believes the number of units of air conditioner sold is related to atmospheric temperature. An R&D officer conducted a study and gathered the following data: 3. Day Sale Temperature (Fahrenheit) 63 (in thousands) 1.52 1 2 70 1.68 3 73 1.8 4 75 2.05 80 2.36 6. 82 2.25 7 85 2.68 8 88 2.9 9. 90 3.14 3.06 3.24 10 91 11 92 12 75 1.92 13 98 3.4 14 100 3.28 Construct an estimated regression line between temperature and number of units sold. а) b) Does the model in part (a) confirm that contribution of temperature to number of units of air conditioner sold? Test using a 0.05. Find the coefficient of correlation. What does the value imply about the relationship of the two variables? c) If the temperature soared to 120 Fahrenheit, can you predict the number of units of air conditioner sold? Explain d)Winter visitors are extremely important to the economy of Southwest Florida. Hotel occupancy is an often- reported measure of visitor volume and visitor activity. Hotel occupancy data for February in two consecutive years are as follows. Current Year Previous Year Оссирied Rexms 1470 1458 Total Rooms 1750 1800 a. Formulate the hypothesis test that can be used to determine if there has been an increase in the proportion of rooms occupied over the one-year period. b. What is the estimated proportion of hotel rooms occupied each year? Using a 0.05 level of significance, what is your hypothesis test conclusion? What is the p-value? C. d. What is the 95% confidence interval estimate of the change in occupancy for the one-year period?
- 7. Look at the graph "Black small businesses hit twice as hard as white ones". Estimate the percert of white small businesses and self-employed workers who were not working in April 2020. Estimate the percent of black small businesses and self-employed workers who were not working in April 2020. Is it twice as much as the title claims? 99+ a %23 近Assuming the lowest decile of men receive an average of $800/month in Social Security, while the highest decile receive $2200/month in Social Security how much does each receive (on average) during their years in retirement. Use the chart called: Predictive Years of Receiving Social Security Benefits. Also use the born in 1940 data.Please please help me fill out the table!! not just the p-value!
- A survey collects demographic, socioeconomic, dietary, and health-related information on an annual basis. Here is a sample of 20 observations on HDL cholesterol level (mg/dl) obtained from the survey (HDL is "good" cholesterol; the higher its value, the lower the risk for heart disease). 36 48 51 53 66 50 52 46 85 37 45 34 40 44 64 94 34 29 47 (a) Calculate a point estimate (in mg/dl) of the population mean HDL cholesterol level. mg/dl (b) Making no assumptions about the shape of the population distribution, calculate a point estimate (in mg/dl) of the value that separates the largest 50% of HDL levels from the smallest 50%. mg/dl (c) Calculate a point estimate (in mg/dl) of the population standard deviation. (Round your answer to three decimal places.) mg/dl (d) An HDL level of at least 60 is considered desirable as it corresponds to a significantly lower risk of heart disease. Making no assumptions about the shape of the population distribution, estimate the proportion p of the…Is there significant association between resting metabolic rate (RMR) related and body weight?Please please answer that