CTIVITY Find what is being asked in the given problems.
1.In a given normal distribution, the sample mean is 20.5 and the sample standard deviation is 5.4. Find the corresponding
standard score of 18.
2.The average score in a Statistics and Probability Test is 83 with standard deviation 12. Find X, when z = 1?
3.A group of students in ABM compares their scores in their major subject for this semester. They find that the average
score is 39 with the standard deviation of 6. Find the score when z – value is equal to 0.17.
4.The weight of adults in one Barangay of South Cotabato approaches to normal distribution with a mean of 52.9 kg and
standard deviation of 7.2 kg. Find the z – value when the weight is 48.5 kg.
5.The weights of 10 – year – old girls are known to be normally distributed with a mean of 33 kg and a standard deviation
of 4 kg. Find the z value of 10-year-old girls that weights 29 kg
1.In a given normal distribution, the sample mean is 20.5 and the sample standard deviation is 5.4. Find the corresponding
standard score of 18.
2.The average score in a Statistics and Probability Test is 83 with standard deviation 12. Find X, when z = 1?
3.A group of students in ABM compares their scores in their major subject for this semester. They find that the average
score is 39 with the standard deviation of 6. Find the score when z – value is equal to 0.17.
4.The weight of adults in one Barangay of South Cotabato approaches to normal distribution with a mean of 52.9 kg and
standard deviation of 7.2 kg. Find the z – value when the weight is 48.5 kg.
5.The weights of 10 – year – old girls are known to be normally distributed with a mean of 33 kg and a standard deviation
of 4 kg. Find the z value of 10-year-old girls that weights 29 kg
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