From a population of college students a random sample of 36 are taken and the mean test grade was 68 and the sample standard deviation was 4.2. This is the 95% confidence interval for the population mean.
What is (66.6, 69.4)
100
The score that tells the probability that the test statistic was found when the null hypothesis was true.
What is the p value?
100
The verbiage given to the probability of making the correct decision when the alternative hypothesis is true.
What is the power of a test.
100
The term referring to letting the participants of a study know what the research is about and giving them information to help them decide whether to participate.
What is informed consent?
200
The 95% confidence interval for the proportion of people who believes in UFOs when a random sample of 200 of these people has 56 who believe.
What is (.25, .31)
200
This is the type of test we use when the standard deviation of the population is not known but we want to get a confidence interval for the population mean.
What is t distribution?
200
The alternative hypothesis for the following research question: "Does placing babies in an incubator during infancy lead to claustrophobia later in life?"
What is "Babies placed incubators had more instances of claustrophobia than babies not placed in incubators."
200
Any null hypothesis can be rejected if this is true.
What is "the sample size is large enough."
200
The characterization of a study in which neither the administrator nor the participants know who had which treatment.
What is double blind?
300
A conservative margin of error for 95% confidence.
What is 1/√n
300
When making a confidence interval for the difference of two means the standard error used is calculated by doing this.
What is squaring the standard error of the means of each sample, adding them together and then taking the square root.
300
We read about a study discovering a link between vertex baldness and heart attacks in men. A type one error in this research would be this.
What is "There is no link between the two but the study says there is."
300
A collection of statistical techniques for combining studies is referred to as this.
What is meta analysis?
300
The decision that should be made if you are studying whether the means of two populations are equal and the confidence intervals for each are (96, 104) and (92, 112).
What is : Do not reject the null hypothesis because the intervals overlap.
400
The symbol used to represent the sample proportion.
What is "p hat?"
400
When using the method in the book for the confidence interval of two samples, the samples must be considered this.
What is independent?
400
A research study is investigating how the Catholic population feels about the statement: "Do you favor allowing women to be priests?" A poll of 250 people who attend mass at least once a week showed 57% of them answered yes to the question. The decision that should be made is.
What is accept the alternative hypothesis that the Catholic population favors women priest because the test statistic is 2.23.
400
The name of the problem of summarize information over different populations.
What is Simpson's Paradox?
400
When the decision to make the alternative hypothesis one sided or two sided.
What is "Before the data is examined."
500
The sample proportion and SEP for the 955 confidence interval (.12, .44)
What is .28 and .08.
500
The confidence interval for comparing two means with this data:
Sample 1: mean = 15.26 std dev = 1.56 n = 87
Sample 2: mean = 14.87 std dev = 1.65 n = 80
What is (-.11, .89)
500
The z score for comparing two means with this data:
Sample 1: mean = 15.26 std dev = 1.56 n = 87
Sample 2: mean = 14.87 std dev = 1.65 n = 80
What is z = 1.57
500
Meta analysis can increase the ___________ of a test.
What is power?
500
The term for an influence exerted by the experimenter's expectations or other characteristics on the results of an experiment, especially in psychology.