Which of the following are true about the normal curve? check all that apply 2nd

Question

Which of the following are true about the normal curve? check all that apply

2nd question which of the following are true about z-scores and their distributions? check all that apply

Attempts: Do No Harm: /8 6. Characteristics of the normal curve and z scores Aa Aa Which of the following statements about the normal curve are true? Check all that apply A distribution that is normally shaped has a mean of 0. Many of the variables measured in the behavioral sciences have distributions that approximate a normal curve. The normal curve is U-shaped. The normal curve has inflection points at +1 and -10. Which of the following is true about z scores and their distributions? (Check all that apply.) A distribution of z scores always is normally distributed. To convert a raw score, X, from a sample to a z score, use the equation (X-X)/s. A distribution of z scores always has a standard deviation of 1. Converting raw data to z scores gives you the ability to compare scores measured with different scales and/or units.

Explanation / Answer

6.

a. FALSE. It can have any mean.
b. TRUE.
c. False. It is bell shaped.
d. TRUE.

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7.

a. False. It depends on the distribution of scores.
b. TRUE.
c. TRUE.
d. TRUE.

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