Mathematics

Grade10

Easy

Question

# The curve associated with normal distribution is called _________

- Normal curve
- Skewed curve
- Either Normal curve or Skewed curve
- None of the above

Hint:

### bell shape curve is a common type of distribution for a variable, also known as the normal distribution.

The term "bell curve" originates from the fact that the graph used to depict a normal distribution consists of a symmetrical bell - shaped curve.

## The correct answer is: Normal curve

### Normal curve, is the correct choice.

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### Maha and Arjun are comparing scores on their college entrance exams. Maha’s SAT score is 1400. Arjun’s ACT score is 40. The mean SAT score is 1100 with a standard deviation of 200. The mean ACT score is 20 with a standard deviation of 6.

Who scored better among Maha and Arjun?

### Maha and Arjun are comparing scores on their college entrance exams. Maha’s SAT score is 1400. Arjun’s ACT score is 40. The mean SAT score is 1100 with a standard deviation of 200. The mean ACT score is 20 with a standard deviation of 6.

Who scored better among Maha and Arjun?

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### Maha and Arjun are comparing scores on their college entrance exams. Maha’s SAT score is 1400. Arjun’s ACT score is 40. The mean SAT score is 1100 with a standard deviation of 200. The mean ACT score is 20 with a standard deviation of 6.

What is the z-score of the Arjun?

The standardization of a random variable Suppose X is a random variable with mean µ and standard deviation σ > 0

### Maha and Arjun are comparing scores on their college entrance exams. Maha’s SAT score is 1400. Arjun’s ACT score is 40. The mean SAT score is 1100 with a standard deviation of 200. The mean ACT score is 20 with a standard deviation of 6.

What is the z-score of the Arjun?

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The standardization of a random variable Suppose X is a random variable with mean µ and standard deviation σ > 0