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An analysis of variance was used to evaluate the mean differences from a repeated-measures research study. The results were reported as F(3,24)=6.40.
a. How many treatment conditions were compared in the study?
b. How many individuals participated in the study?
Pproportion who are sent to prison after pleading innocent and being found guilty? No, as the test value -1.96 is inside interval (-2.58, 2.58), No, as the test value -4.94 is outside interval (-1.96, 1.96).
If the rods' lengths produced by your line are normally distributed, with a mean equal to the target of 0.2 meters, and a standard deviation of 0.015m, what percentage of rods will be scrapped?
On the same chart, produce a graph showing the original probability mass function, and a line graph showing your selected continuous probability density function.
A pharmaceutical company conducted study to evaluate the effectiveness and safety of new inhaled form of insulin for treatment of diabetes. A group of 650 diabetics was given the drug twice a day, while another group of 650 diabetics was given an ..
A developmental psychologist is studying memory development in children. He is interested in determining the exact age at which children began to recall long-term episodic memories.
Which measures of central tendency will always have but one (1) value for a set data?
A lab test is 95% eff ective in detecting a disease. The test gives a false positive (reports the patient has disease when they do not) for 1 % of the healthy population tested.
Do the data demonstrate that the true mean photometer reading for the color density is significantly different from 12 at 3 percent level of significance?
Confirm whether given random variable is binomial distribution or not. If this experiment is finished with replacement, explain why.
Explain how much money do these people make each year. Suppose you read in your local newspaper that 45 officials in student services whioch is earned as an average.
If the null hypothesis is true, then how much difference should be expected, on average, between the two sample means?
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
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