**QNT 275 Finals 2017 Latest Version A+ Score**

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- 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

**Category:**Mathematics, General Mathematics

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