Exam 21: Univariate Statistical Analysis

Which type of statistics involves numbers with known,continuous distributions?

The appropriate test to use when testing hypotheses involving an observed mean against some specified value is the univariate ____________________.

Which of the following represents how well some computed table or matrix of values matches some population or predetermined table or matrix of the same size?

The researcher's hypothesis is generally stated in the form of a null hypothesis.

The number of observations minus the number of constraints or assumptions needed to calculate a statistical term is called:

For which statistical test does the formula given below apply?

A general term representing how well some computed table or matrix of values matches some population or predetermined table or matrix of the same size is ____________________.

If the population mean is expected to be 85 and the sample mean is 80,the sample standard deviation is 20,and the sample consists of 100 consumers,the observed value of the Z-statistic is approximately:

A Type II error occurs when you reject the null hypothesis when,in fact,it is true.

List the factors to consider when choosing the appropriate statistical technique.

Suppose that past research studies have found that 70 percent of a particular target market segment were aware of the Nike "swoosh" brand mark.If 65 percent of this target market in a sample of 60 people are aware of this brand mark,and if the standard error of the proportion is 0.06,the observed Z-test value is approximately:

Nominal scales typically use parametric statistical tests.

Which of the following becomes key indicator of whether or not a hypothesis can be supported?

A larger sample reduces the chance of a Type II error and increases statistical power.

Nonparametric statistical tests are frequently referred to as "distribution free."