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Question: Use the data from the variable ("avgspeed") created in the previous exercise to recode the values into a nominal (string) variable. Your task is to use SPSS's Recode into Different Variables feature and form two categories for the average walking speeds of the individuals. The two categories are based on the average speed of 2.9 miles per hour for all walkers. All speeds above the mean are to be classified as Fast; those below the mean are classified as Slow. You will create a new nominal or string variable called "catspeed."
describe the goal of an experimental research study and identify the two elements that are necessary for an experiement
suppose that 97 of monarch butterflies migrate to mexico in winter. what is the smallest sample size required to ensure
Find probabilities for the Exactly one of the five individuals is left-handed.- At most one of the five individuals is left-handed.
the pearson product-moment correlation coefficient r requires that variables be measured with .a. an interval or ratio
The population are shorter than 66 inches, what is the probability a randomly selected member of this population is between 66 and 76 inches tall?
This result applies no matter what the shape of the probability distribution from which the samples are taken. Central Limit Theorem: How Large a Sample?
Discuss which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests..
What are the two main types of probability?- What is an event? What is the union of two events? What is the intersection of two events?
What should the pass mark be set at if 15% are to fail? If the examiner wishes to grant the top 20% A's, what should be the cut-off mark for an A?
Construct a 90% con?dence interval for the difference between the population mean salaries. Assume that the salaries of male and female professors are both normally distributed with equal standard deviations. Interpret the result.
consider the following probability distributiondemand 0 1 2 3 4probability .15 .30 .25 .15 .15partition
How do you calculate (by hand) the raw score that marks the 40th percentile of a data set with a mean of 47.55 and a standard deviation of 9.133?
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