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A student Conducts the most popular colour of shirts for people to wear by recording the colour of every 25th person who entered the gate at the toronto blue jays game. What type of survey is this? Does this survey include any bias?
question 1 a basketball team at a university is composed of ten players. the team is made up of players who playthe
Analyze the diverse and divergent perspectives that informed its development and then assess its impact at the local organizational level.
A new product is tested on a random sample of 90. A total of 63 say they will buy the new product. A point estimate of the population proportion who will buy the product is 63/90 or .7 (70%). What is the standard error of the proportion?
Precisely (i.e., using specific numbers) what does central limit theorem tell us about sampling distribution of sample means for samples of this size from this population?
What is the standard error of estimate? Describe with an example. What are the coefficients of the linear regression model and what do they mean? What are the various statistics reported in a regression output?
Equally likely chances of (1) increasing in value, (2) decreasing in value, or (3) remaining the same value. Calculate the probability at least one of the stocks increase in value.
when conducting a hypothesis test with chi-square analysis the rejection region in a chi-square distribution is always
a box contains 20 dvds 4 of which are defective. if two dvds are selected at random without replacement from this box
A school superintendent wants to know how his district's students did on a nationwide standardized achievement test.
Also, 77 percent of managers have MBA degrees. Using probability formulas, determine proportion of employees who either have MBAs or are managers.
Find the probability that the number who say oatmeal is their favorite cookie is (a) exactly four, (b) at least four, and (c) less than four.
6. In a certain class, midterm score average out 70 with an SD of 15, as do scores on the final. The correlation between midterm scores and final scores is about 0.40. The scatter diagram is football-shaped.
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