Find the given data
Find the values of Z-scores for the given data values (X), if mean is 13 and standard deviation is 3.
24 | 18 | 12 | 6 | 13 |
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1) Given a standard normal distribution, find the probability of having a z score higher than...
1) Given a standard normal distribution, find the probability of having a z score higher than 1.67 ```{r} ``` 2) Given that test scores for a class are normally distributed with a mean of 80 and variance 36, find the probability that a test score is lower than a 45. ```{r} ``` 3) Given a standard normal distribution, find the Z score associated with a probability of .888 ```{r} ``` 4) Find the Z score associated with the 33rd quantile...
questions from 10 to 19 Find the outlier in the set of data. 10. 15, 35,...
questions from 10 to 19
Find the outlier in the set of data. 10. 15, 35, 10, 22, 13, 18, 19, 14 11. The scores on an exam are normally distributed, with a nean of 81 and a standard deviation of 10. What percent of the scores are less than 917 12. A grocery store will only accept yellow onions that are at least 3.25 in. n diameter. A grower has a crop of onions with diameters that are normally...
question 4 1. A distribution has a standard deviation of a = 12 points. Find the...
question 4
1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
Find the sample mean and sample standard deviation of your data. What is the Z score?...
Find the sample mean and sample standard deviation of your data. What is the Z score? Pick three bills from the last 12 months and change the values into z-scores. What does the z-score tell you about that particular month? Between what two values would be considered a normal bill? Remember, being within 2 Standard Deviations is considered normal. Are any of your bills in the last 12 months unusual? Very unusual? Are there times when you would accept an...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
For the follwoing date find: 31 20 32 18 53 53 61 | 27 | 34...
For the follwoing date find: 31 20 32 18 53 53 61 | 27 | 34 20 22 49 26 48 20 31 21 27 17 16 2018 | 24 | 36 | 20 | 20 1. The Mean= 2. The Median= 3. The Mode 4. The Range = 5. The Standard Deviation is = 6. Qı= 7. Q3=1 8. IQR= 9. Upper Fence= 10.Lower Fencer 11. If you graphed the data above, what shape would you expect the data...
MtM204004 SP-2020 MEDGAR. EVERS C PILGRIM LEDGMR EVERS COLLEGE HOME WORKE Calculate the requested statistics for...
MtM204004 SP-2020 MEDGAR. EVERS C PILGRIM LEDGMR EVERS COLLEGE HOME WORKE Calculate the requested statistics for the given m Sample Data: 68, B4 93, 64, e data 70 (b) median (c) mode (d) range (e) sample variance: (1) sample standard deviation: (2) Give the score 2 decimal place for each test score with the given class mean and standard deviation Assume the test scores are normally distributed (a) For a 92 on a test with a class mean of 78...
Find the sample mean and sample standard deviation of your data. What is the Z score? Pick three bills from the last 12...
Find the sample mean and sample standard deviation of your data. What is the Z score? Pick three bills from the last 12 months and change the values into z-scores. What does the z-score tell you about that particular month? Between what two values would be considered a normal bill? Remember, being within 2 Standard Deviations is considered normal. Are any of your bills in the last 12 months unusual? Very unusual? Are there times when you would accept an...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. n [ (tox?)]- [><f• x))? S= n(n-1) 40-49 50-59 70-79 80-89 Interval Frequency 30-39 3 60-69 18 24 39 8...
1) Calculate a 95% and 99% confidence interval for the following data set. Note: this is...
1) Calculate a 95% and 99% confidence interval for the following data set. Note: this is a sample. Show your steps including the mean, z-score, standard deviation, and standard error that you use. Use the data set listed below. 12 10 18 16 11 10 9 17 6 13 10 20 21 24 18 17 19 12 11 10
questions from 10 to 19
Find the outlier in the set of data. 10. 15, 35, 10, 22, 13, 18, 19, 14 11. The scores on an exam are normally distributed, with a nean of 81 and a standard deviation of 10. What percent of the scores are less than 917 12. A grocery store will only accept yellow onions that are at least 3.25 in. n diameter. A grower has a crop of onions with diameters that are normally...
question 4
1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
For the follwoing date find: 31 20 32 18 53 53 61 | 27 | 34 20 22 49 26 48 20 31 21 27 17 16 2018 | 24 | 36 | 20 | 20 1. The Mean= 2. The Median= 3. The Mode 4. The Range = 5. The Standard Deviation is = 6. Qı= 7. Q3=1 8. IQR= 9. Upper Fence= 10.Lower Fencer 11. If you graphed the data above, what shape would you expect the data...
MtM204004 SP-2020 MEDGAR. EVERS C PILGRIM LEDGMR EVERS COLLEGE HOME WORKE Calculate the requested statistics for the given m Sample Data: 68, B4 93, 64, e data 70 (b) median (c) mode (d) range (e) sample variance: (1) sample standard deviation: (2) Give the score 2 decimal place for each test score with the given class mean and standard deviation Assume the test scores are normally distributed (a) For a 92 on a test with a class mean of 78...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0. n [ (tox?)]- [><f• x))? S= n(n-1) 40-49 50-59 70-79 80-89 Interval Frequency 30-39 3 60-69 18 24 39 8...
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