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A researcher wishes to conduct a study on the self-esteem levels of adolescents. She believes that male adolescents have higher self-esteem than female adolescents. Self-esteem test were administered to 50 randomly selected male and 50 female adolescents. (The maximum score possible was a 10.) Males 1 3 6 5 1 10 8 10 1 9 8 10 5 10 10 2 6 7 7 2 7 8 5 7 6 7 2 3 8 4 10 9 10 2 2 6 2 9 8 9 1 4 4 5 10 6 7 2 10 9 6 9 9 4 2 Females 1 2 2 1 6 4 1 7 6 3 4 3 2 4 5 9 5 2 7 6 5 7 9 4 9 1 4 3 7 8 4 2 6 5 2 4 2 6 4 3 6 9 1 9 3 5 4 9 8 2 8 8 9 7 5 Do the results indicate that self-esteem is significantly higher on average for males at significance level of 0.01?
If this study involved a repeated measures design (within subjects) comparing conditions with the same number of participants, how many participants would be in each group?
a research company claims that more than 55 of american regularly watch fox news watch. you decide to test this claim
The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts). Based on the data in the table below, is there a significant linear relationship between temperature and th..
How much variability will you have if you predict sales with this model?
for a medical study a researcher wishes to select people in the middle 60 of the populartion based on blood pressure.
The data (in milliamps) are shown below. Using the .05 level of significance, are there any differences in the three categories.
q1. a research shows that employee salaries at company xyx in thousands of dollars are given by the equation y-hat 48.5
Use the binomial distribution in the Data Analysis add - in to simulate the distribution of men and women among the next ten arrivals at an emergency room, assuming that, on average, six people out of ten who arrive are men.
What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
Utilizing the .05 level, do the results support the psychologists' theory. A psychologist theorized where people can hear better when they have just eaten a large meal.
suppose a point xy is chosen at random from the disk x2 y2 is less than and equal to 1. find the a marginal density of
to run a successful business you need to learn about your customers your competitors and your industry. market research
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