013 OT5014A Quiz 3

Referring to the attached study info, answer the following:

The range of motion measurements collected for this study would be categorized as what type of data?

• Nominal

• Ordinal

• Interval/Ratio

• Median

Referring to the attached study info, answer the following question:

What data category would the results of the SCFQ fall into?

• Nominal

• Ordinal

• Interval/Ratio

• Ordinary

Referring to the attached study info, answer the following question:

Assuming that the 3 groups in the study were compared to one another on their range of motion measurements (with no covariates included) – What analysis tool would be the most appropriate?

• Independent t-test

• Correlation

• One-way ANOVA

• One-way ANCOVA

In statistics, which best describes the function of a t-test?

• To compare two continuous variables

• To compare the mean of two given samples

• To compare three or more samples with a single test

• To compare t-values for a given data set

Referring to the study info attached, complete the following (type your answers below):

1. 1. Summarize the data in terms of central tendency (mean, median, mode)

Referring to the attached study info, complete the following two items (type your answers below):

1. 1. What is the standard deviation for the set of rating scores? (hint: use an online calculator)

2. 2.  Which of the rating scores fall within 1 standard deviation of the mean?

Fill in the blank.

You decide to get tested for the flu based on mild symptoms, if the test results say you don’t have the flu, but in actuality you do, statistically speaking that would be considered a type ____ error.

• 1

• Omega

• Theta

• 2