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Let's say that we want to know more about social media habits of American adults between the ages of 18 and 45. We hypothesize that adults in that age group who spend at least 45 minutes per day doing cardio spend less time on Facebook than those who do less or no cardio
How would we set up this hypothesis test?
What would be our Ho and Ha?
How about the alpha value?
What means are we comparing?
What two groups of people are we comparing?
Based on the results we receive, what further research questions might we want to explore on this topic?
Please show all your steps to solve this problem
a.There is less than 7 beds per house in Compton; Decision in to reject the null hypothesis b. 30 % of Americans go to church on Sundays. Decision is not to reject the null hypothesis
Part 1: A certain feature on the NVG is produced using high speed milling. Currently two different manufacturers (Supplier 1 and Supplier 2) supply tools to the manufacturing cell. A number of tests have been conducted with the results for tool li..
Describe and analyze your quantitative data and Briefly address the data analysis process.
a company studied the number of lost-time accidents occurring at its brownsville texas plant. historical records show
A medical school claims that more than 32% of its students plan to go into general practice. It is found that among a random sample of 130 students, 46 of them plan to go into general practice.
A manufacturer of flashlight batteries took a sample of 13 batteries from a day's production and used them continuously until they were drained. In what ways would this information be useful to the manufacturer?
The management of White Industries is considering a new method of assembling its golf cart. The present method requires 42.3 minutes, on the average, to assemble a cart.
Determine if there is a linear correlation between annual income and the amount of insurance? What is the linear regression line for this data?
In your answer, you will need to demonstrate some understanding of the nature and extent of the 'problem' before applying your chosen sociological theory. You will need to use at least 8 authoritative sources (journal articles, textbooks, etc.)
The clinic estimates that the true population standard deviation is around $2,100. If the confidence level is 95%, find the required sample size in order to meet the desired accuracy.
The mean wait time was 60 minutes and the standard deviation was 10 minutes. How many patients waited between 50 and 70 minutes?
Sample of 36 packages reveals mean weight to be 3.01 pounds, with standard deviation of 0.03 pounds. What is the estimated population mean?
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