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Consider the hypothesis test given by:
H0: μ = 530H1: μ ≠ 530
In a random sample of 85 subjects, the sample mean is found to be x(bar) = 522.3. Also, the population standard deviation is σ = 29.
Determine the P-value for this test. Is there sufficient evidence to justify the rejection of H0 at the α = 0.01 level? Explain.
A person is planning on saving money according to a rigid savings schedule. Saving plan A is to make an initial deposit of $400 and then deposit $20 per month into the account.
Construct a 90% confidence interval for the population proportion, p, in order to test the claim from a confidence interval point of view. What is the best point estimate for p?
For monthly volume of 300 tables, find out total cost, total revenue, and profit.
At Kelsey High School, Mrs. O'brien noted that the students were waiting too long in line for their lunches. After collecting some data, Ms. O'brien determined the mean wait time was 10 minutes.
Diamonds and Hearts are red and Clubs and Spades are black. Suppose you randomly select three cards from the deck. The outcome of interest is the colour of each of the selected cards.
In a study , the average age of the male candidates who were affected , was 38.20 whereas the average age of the female subjects was calculated to 34.976 with the standard deviation of 156.91 and 116.16 respectively
Give an example of some data that you could analyze with a Chi Square. Discuss the level of measurement that you would need to use this test.
Given below are heart volume measurements taken on male athletes. Do heart volumes differ for male athletes who participate in different sports?
The slopes of the lines parallel to X axis and Y axis are. The slope of the line parallel to the line y = 10x and passing through origin
For the midcourse PSYC105 test M = 39 (out of 60) and SD = 11.2. What is the deviation score for a person scoring 33 in the test? Complete the formula and show your working and answer.
A 99% confidence interval for the proportion () of all Lewisburg residents whose annual income exceeds $80,000 extends from 0.10 to 0.18. what is the correct statistical decision in this case?
What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
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