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The accomanying table is a one way, independent groups ANOVA summary table with part of material missing.
source ss df s2 fobt
btw groups 1253.68 3within groupstotal 5016.40 39
a. fill the missing values.b. how many groups are there in the experiment?c. assuming an equal number of subject are there in each groupd. what is the value of F crit, using alpha 0.05?e. is there a significant effect?
A machine that manufactures automobile parts is estimated to produce defective parts 5% of the time. If this estimate is correct, and 9 parts produced by this machine are randomly selected
Determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.
Either use the p-value approach to hypothesis testing or use the significance level approach with α = .05.
If the total of the accounts receivable is only $1,000,000 (but the standard deviation was correct), what is the probability the total of the sample would be less than $9,900.
Suppose we conduct an ANOVA test of four treatment means and reject the null hypothesis. Construction of a confidence interval for the difference between the first and second sample mean revealed the interval to be 10 plus or minus 12. We conclude
Determine the probability that subscriber didn't rent the car during past 12 months for either business or personal reasons?
Many investigaters have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary disease (COPD)
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
What is the critical F value for a sample of four observations in the numerator and seven in the denominator?
Assuming the manufacturer's claim is true, what is the approximate probability of observing a sample mean of 52 months or less?
Distinct random variable
The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile.
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