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If, by SX, is meant the sum of the scores, then the answer is 48/4 = 12

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15y ago

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In a population of N equals 6 five of the individuals all have scores that are exactly 1 point above the mean From this information you can determine that the score for the sixth individual must be?

it is a bove the mean by 5 points


If a sample of 23 bowlers were taken from a population of 187 bowlers could refer to the mean of how many bowlers' scores?

23


How many of scores will be within 1 standard deviation of the population mean?

Assuming a normal distribution 68 % of the data samples will be with 1 standard deviation of the mean.


Suppose that a population that a population has mean equals 64 and standard deviation equals 18. A sample of size 36 is selected. What is the mean of the sampling distribution of means?

64.


Which sample would produce an expected value of 20?

n= 25 scores from a population with mean =20


In the population SAT-Math scores are normally distributed with a mean of 500 and standard deviation of 100?

The answer depends on what SAT tests. In the UK the mean is 100 and the SD approx 15 - the scores are truncated at 100 +/- 44.


The mean of a distribution of scores is the?

The mean of a distribution of scores is the average.


Will locations near the population mean have z-scores near zero?

yes. z score measures distance from 0. 0 represents the mean.


IQ scores are normally distributed with a mean of 100 and a standard deviation of 15 if a certain statistician has an IQ of 140 what percent of the population has an IQ less than he does?

About 98% of the population.


The distribution of intelligence test scores in the general population forms a bell-shaped pattern This pattern is called?

The pattern is called a normal distribution, or a bell curve. It is characterized by symmetrical data points around the mean, with most scores clustering around the average and progressively fewer scores as you move away from the mean in either direction.


N equals 36 with a population mean of 74 and a mean score of 79.4 with a standard deviation of 18?

Can someone help me find the answer for a sample n=36 with a population mean of of 76 and a mean of 79.4 with a standard deviation of 18?


Adding all the scores and dividing that total by the number of scores?

Adding all the scores and dividing by the number of scores yields the mean or average.