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Given the following raw scores, calculate the following values: Range, Variance and Standard Deviation, show your calculations:
Scores: 9, 7, 8, 4, 8, 8,7, 8, 9, 6, 3
Determine the point estimate in this study? Compute the standard error in this example?
Does this sample give sufficient evidence to conclude that self-esteem scores for group-participation adolescents are significantly different from those of general population? Use two-tailed test with α = .01.
Students will conduct one brief research exercise that will be written up as a research report using APA style.
The distribution of lifetimes for a certain type of light bulb is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. Find the 33rd percentile of the distribution of lifetimes.
An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval
At the .01 significance level, can we conclude that there is more variation?
On average, how long does patient stay in ER? On average, how long does Potential Admit stay in ER? On average, how many patients are in the ER?
You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.
Find the average age at which people will experience their first cardiac incident, given that 17% of all initial cardiac incident victims are younger than 50. Please, interpret the result.
The results of a recent poll on the preference of shoppers regarding two products are shown below.
Find out the expected winnings for a person who buys one ticket.
Assume that the measurements came from a normal distribution. The variability of the manufacturing process is unknown means the same as the standard deviation is unknown.
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