The Following Data Show the Grades of a Sample of 40

question 1

Essay

The following data show the grades of a sample of 40 students who have taken statistics.

Use $\alpha$ = 0.1 and conduct a goodness of fit test to determine if the sample comes from a population that has a normal distribution.Use the critical value approach.

---

Definitions:

Cognitive Therapy

A type of psychotherapy that helps patients identify and correct distorted thought patterns that can lead to feelings and behaviors that are troublesome, self-defeating, or self-destructive.

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning and other learning principles.

Behavioral Conditioning Therapies

Psychiatric treatment approaches that use conditioning techniques to change undesirable behaviors into more desirable ones through reinforcement or punishment.

Bipolar Disorders

A mental health condition characterized by extreme mood swings, including emotional highs (mania or hypomania) and lows (depression).