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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 pharmaceutical company receives large shipments of ibuprofen tablets and uses this acceptance sampling plan randomly
Why should none of R2, R ¯2, information criteria, and F tests be used to compare models with yt on the left hand side to models with ln yt instead?
einarsen et al. 1998 selected an srs of 935 assistant nurses from a norwegian county with 2700 assistant nurses.a total
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are queens. A fair coin is tossed 8 times in succession. Find the probability of getting at least 4 heads.
Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5.
How many months had no days with 0.5 inches or more of precipitation? What proportion of months had no days with 0.5 inches or more of precipitation? Construct a 95% confidence interval for the proportion of months that had no days with 0.5 inches..
Which of the following will have no effect on the break-even point in units?
Let p denote the proportion of grocery store customers who use the store's club card. For a large-sample zt est of H0:p= .5versusHa:p> .5, find the P-value associated with each of the given values of the test statistic. (Enter your answers to four..
supposed that a b and c are mutually independent events and that pa0.5 pb0.8 and pc0.9. find the probabilities that
q1 which of the given represents difference in 2 population means?nbspi micro1 - micro 2ii p1 p2iii p1 - p2iv micro 1
given below are two applications of statistics descriptive and inferential. choose what type of application is being
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