Mathematics

Grade10

Easy

Question

# In the context of the z-score:

In test scores,

- Equal is better
- Higher is better
- Both a and b
- None of the above

## The correct answer is: Higher is better

### Related Questions to study

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### In the context of the z-score:

In golf scores,

### In the context of the z-score:

In golf scores,

MathematicsGrade10

Mathematics

### 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?

MathematicsGrade10

Mathematics

### 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?

MathematicsGrade10

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

Mathematics

### 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 Maha?

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 Maha?

MathematicsGrade10

Mathematics

Approximately 95% of data values in a normal distribution within ………. standard deviation of the mean.

Approximately 95% of data values in a normal distribution within ………. standard deviation of the mean.

MathematicsGrade10

Mathematics

Approximately 99.7% of data values in a normal distribution within ………. standard deviation of the mean.

Approximately 99.7% of data values in a normal distribution within ………. standard deviation of the mean.

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Mathematics

Approximately ______ of data values in a normal distribution within 1 standard deviation of the mean.

Approximately ______ of data values in a normal distribution within 1 standard deviation of the mean.

MathematicsGrade10

Mathematics

### Normal distribution is symmetric about __________

### Normal distribution is symmetric about __________

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Mathematics

### If the z-score of the normal distribution is 2.5, the mean of the distribution is 45 and the standard deviation of the normal distribution is 3 less than the value of the x for the normal distribution is

Use

### If the z-score of the normal distribution is 2.5, the mean of the distribution is 45 and the standard deviation of the normal distribution is 3 less than the value of the x for the normal distribution is

MathematicsGrade10

Use

Mathematics

### If the value of x for normal distribution is 35, the mean of normal distribution is 65 and the standard deviation is 25, then the standardized random variable is

Use formula Z = (X −µ)/σ

### If the value of x for normal distribution is 35, the mean of normal distribution is 65 and the standard deviation is 25, then the standardized random variable is

MathematicsGrade10

Use formula Z = (X −µ)/σ

Mathematics

### The normal distribution is also classified as

### The normal distribution is also classified as

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Mathematics

### The area under a standard normal curve is ______

### The area under a standard normal curve is ______

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Mathematics

### For a standard normal variate, the value of the standard deviation is ____

### For a standard normal variate, the value of the standard deviation is ____

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Mathematics

### For a normal distribution its mean, median, mode are equal.

### For a normal distribution its mean, median, mode are equal.

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Mathematics

### Skewness of normal distribution is ______

### Skewness of normal distribution is ______

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