Choose the Correct Statement Describing the Following Stem and Leaf

question 38

Multiple Choice

Choose the correct statement describing the following stem and leaf plot for grades on a linear algebra exam.

• A)The range of the grades is between 23 and 98.
• B)Of the 29 students who took the exam, nine scored between 80 and 89.
• C)There are no gaps in the data.
• D)The data is bimodal.

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Definitions:

Type I Error

The error that occurs when a true null hypothesis is incorrectly rejected.

Control Limits

The boundaries in a control chart that represent the acceptable range of variation in a process.

Standard Errors

The standard deviation of the sampling distribution of a statistic, commonly used in estimating the margin of error.

Operating Characteristic Curve

A graph that shows the capability of a test to distinguish between different states, such as defective and non-defective items.