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Based on the empirical data determine the following probabilities:
i. Social climber index greater than or equal to 7
ii. Salaries less than or equal to $50K
iii. Home values between $150K and $250K
iv. Car value less than $49K
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
If a student scored 90 points on a test where the mean score was 82.2 and the standard deviation was 5.7. What steps do I do to find out the student's z score?
If the population standard deviation is s = 10, is the sample sufficient to demonstrate a significant effect? Again, assume a two-tailed test with a = 0.05.
Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?
Using a level of significance of .05, is there evidence that the dual degree students are receiving lower grades? Explain.
Determine whether the description corresponds to an observational study or an experiment. Thirty university students are divided into two groups, one group receives free tutoring in mathematics, the other does not.
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
Enzymatic method: 13.1, 12.7, 12.6, 13.3, 13.3. GC method: 13.5, 13.3, 13.0, 12.9. Does the enzymatic method give the same value as the GC method at the 95% confidence level?
Calculate estimated Cohen's d to measure size of treatment effect.
Test of claim for the statement made for a given paired sample:
Use relative frequencies to estimate the probability that a seed will germinate, What is your estimate?
Find out the estimate of the population mean.The mean daily sales at the Stop and Go are $20,000 for a sample of 40 days. The standard deviation of the sample is $3,000.
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