a linear regression: For small degrees of freedom, the chi-square distribution is The p-value is the Two paired or matched samples would imply that The graph of a cumulative frequency distribution is a(n) A qualitative variable is the only type of variable that We can use the analysis of variance procedure to test hypotheses about A researcher wants to test if elementary school children spend less than 30 minutes per day on homework. The alternative hypothesis for this example will be that the population mean is A continuous random variable x has a right-skewed distribution with a mean of 80 and a standard deviation of 12. The sampling distribution of the sample mean for a sample of 50 elements taken from this population is: In a one-way ANOVA, we analyze only one Which of the following pairs of events are mutually exclusive For a one-tailed test, the p-value is What is the critical value of t for the hypothesis test In a hypothesis test, a Type II error occurs when A quantitative variable is the only type of variable that can You toss a coin nine times and observe 3 heads and 6 tails. This event is a In a hypothesis test, a Type I error occurs when What is the critical value of z for the hypothesis test A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000. The null hypothesis for this example will be that the population mean is The mean of a discrete random variable is its For a goodness-of-fit test, the frequencies obtained from the performance of an experiment are the An error that occurs because of chance is called You randomly select two households and observe whether or not they own a telephone answering machine. Which of the following is a simple event To make tests of hypotheses about more than two population means, we use the The mean of a discrete random variable is the mean of its The alternative hypothesis is a claim about a If you divide the number of elements in a sample with a specific characteristic by the total number of elements in the sample, the dividend is the The regression model y = A + Bx + e is The regression model y = A + Bx is Which of the following assumptions is not required to use ANOVA
