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1. A data set comprises of set of numerical values. Which, if any, of the following statements could be right?
a.There is no mode.b.There are two modes.c.There are three modes.
2. Point to whether given statement could apply to data set consisting of 1,000 values which are all different.
a.The 29th percentile is greater than 30th percentile.b.The median is greater than first quartile.c.The third quartile is greater than first quartile.d.The mean is equal to median.e.The range is zero.
Determine the critical value. Using the critical value rejection rule, what is the statistical conclusion?
What is the probability that 30% or fewer male employees will indicate that they have to pick up the slack for mom's working flextime ?
The mean of a normal distribution probability is 400 pounds. The standard deviation is 10. What is the area between 415 pounds and the mean of 400 pounds? (Round to 4 decimals)
They were planted in four different locations, so we will consider the field as a second factor because different soil and moisture types can also have an effect on yield. The interaction plot below was obtained.
Ms. Tina Stevens just purchased a new dress that cost $120. What is the probability she paid cash or check? (Round your answer to 3 decimal places.)
Given the following ordered data pairs (x, y), compute the value of the linear correlation coefficient r: (2,6) (3,0) (5,15) (5,5) (10,2).
A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.
Those who have quit smoking often return to the habit. The authors of a paper concluded that forbidding smoking in the smoker's residence was a significant predictor of the ability to abstain from smoking.
Probability based on binomial distribution - evaluate the probability of x successes in the n independent trials of the experiment.
Using data provided, test if there is a difference between means at alpha =.05.
Discuss some of the common uses of IQ tests. Do you think that IQ test should be used for these purpose? Does the Flynn effect alter your thoughts about the uses of IQ test? Explain.
What is an interaction? Describe an example and identify the variables within your population (work, social, academic, etc.) for which you might expect interactions?
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