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To demonstrate flavor aversion learning (that is, learning to dislike a flavor that is associated with becoming sick), researchers gave one group of laboratory rats an injection of lithium chloride immediately following consumption of saccharin-flavored water. Lithium chloride makes rats feel sick. A second control group was not made sick after drinking the flavored water. The next day, both groups were allowed to drink saccharin-flavored water. The amounts consumed (in milliliters) for both groups during this test are given below.Amount Consumed by Rats That Were Made Sick (n = 4)Amount Consumed by Control Rats
(n = 4)3841328511
(a) Test whether or not consumption of saccharin-flavored water differed between groups using a 0.05 level of significance. State the value of the test statistic. (Round your answer to three decimal places.)
State the decision to retain or reject the null hypothesis.
Retain the null hypothesis.
Reject the null hypothesis.
(b) Compute effect size using eta-squared (η2). (Round your answer to two decimal places.)
η2 =
The binomial distribution approaches normality as N increases. Explain how this relationship is useful for solving binomial problems involving N > 20. What are the advantages and disadvantages of this approach?
A website recorded whether visitors click on a shown ad. The following plot shows the outcomes for a sequence of 100 visitors, with a 1 shown if the visitor clicked on the ad and a 0 otherwise. Complete part (a) and (b) below.
Using the appropriate statistical table, what is the most accurate statement that can be made about the p-value for the test?
1. In real-world situations, what is the advantage of using the Method of Substitution to solve a system of equations rather than using the Method of Addition?
Thirty- percent of those favoring the health care plan modification favored the work schedule change. Complete parts a through c below. (Round to four decimal places as needed.)
foreign affairs magazine conducted a survey to develop a profile of its subscribers foreign affairs website february 23
In a recent study, 584 out of 875 people were able to pass the test. Find a test statistic for the proposition.
The length of time needed to complete certain test is normally distributed with mean 74 minutes and standard deviation 17 minutes. Find the probability that it
At the 0.05 level, can we conclude that the average production employee will complete the test more quickly the second time he or she takes it?
Shoes How many pairs of shoes do teenagers have? To find out, a group of AP® Statistics students conducted a survey.
During the course of a year, 38.0% of the 213 merchant ships lost were general cargo carriers, while 43.8% of the 219 ships lost during the following year were in this category.
The average salary of managers in the advertising industry is $180,000 per year. Suppose we would like to take a sample of managers at a new company ABC
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