I Chi-Square Goodness-Of-Fit Test Is the Appropriate Statistical Test to Use

question 53

Multiple Choice

i. Chi-square goodness-of-fit test is the appropriate statistical test to use when you wish to determine how well an observed set of data fits an expected set of data
Ii) The null hypothesis in the goodness-of-fit test is that there is no difference.
Iii) The alternative hypothesis states that there is a difference between the observed frequencies and the expected frequencies in a goodness-of-fit test.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

Understand the role of inhibitory interneurons in reflex arcs.

Understand the concept of percentiles in describing data distribution.

Calculate and interpret quartiles and percentiles of a given data set.

Derive and interpret the interquartile range from a data set.

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Definitions:

Proportions

Ratios that compare a part to the whole, often expressed as fractions, decimals, or percentages.

95%

Refers to a confidence interval percentage commonly used in statistics to represent the range within which the true population parameter is expected to fall, with 95% certainty.

Coin

A flat, typically round piece of metal with an official stamp, used as money.

68%

In the context of a normal distribution, it refers to the percentage of data that falls within one standard deviation of the mean.