encircle ALL of the correct answers in this given questions. ALL questions should be answered 4. Joshua's academic target is to get his test average in the top halfof his Statistics class. Which measure can he use to determine if hehas achieved his goal?A. MeanB. Medianс. ModeD.Range5. The time Jepoy worked last week was recorded in the table below.Which measure of central tendency would change if Jepoy workedtwo days less than on Wednesday?MondayTuesdayWednesdayThursdayFriday8 hours6 hours7 hours4 hours6 hoursA. MeanB. MedianC. ModeRange6. The median score is also theA. 75th percentileC. upper quartileB. 5th decileD. first quartile7. Mary obtained a score of 45 which is equivalent to a 60th percentilerank in Statistics test. Which of the following is NOT true?A. She scored above 60% of her classmatesB. Forty percent of the class got scores of 45 and aboveC. If the passing grade is the lower quartile, she passed the test.D. Her score is below the 5th decile.8. Juvy's score in a 75-item was the median score. What is herpercentile rank? A. 75В. 35C. 37 D.50D. 9. If you have the variance, how do you get the standard deviation?A. Square it.C. Take the reciprocalB. Take the square rootD. Subtract the mean10. The variance and mean for a given set of data is 25 and 64respectively. Calculate the standard deviation.A. 625В. 5C. 2.56D. 811. When the correlation coefficient, r, is close to oneA. there is no relationship between the two variablesB. there is a strong linear relationship between the two variablesC. it is impossible to tell if there is a relationship betweenthetwo variablesD. the slope of the regression line will be close to one.12. Let x be a normal random variable with a mean of 50 and a standarddeviation of 3. A z-score was calculated for x, and the z-score is -1.2.What is the value of x?A. 53.6B. 0.1151С. 46.4D. 0.884913. Mr. Z has just given a chemistry exam and wanted to calculatethe 'range' of performance of his students. What must he do?A. Identify the central score.B. Find the score that occurs most often.C. Identify how far from average each score is.D. Subtract the lowest score from the highest score.14. To determine the mean of a set of data, the first step is toA. calculate the medianB. add the sum of the values in the setC. Determine the standard deviation of the set of valuesD. Calculate the mode first and then the sum15. When the correlation coefficient, r, is close to oneA. there is no relationship between the two variablesB. there is a strong linear relationship between the two variablesC. it is impossible to tell if there is a relationshipbetween thetwo variablesD. the slope of the regression line will be close to one

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Description: encircle ALL of the correct answers in this given questions. ALL questions should be answered 4. Joshua's academic target is to get his test average in the top halfof his Statistics class. Which measure can he use to determine if hehas achieved his g

Descriptive statistics can be used for explanatory data analysis purposes. This will give a basic…

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Statistics

4. Joshua's academic target is to get his test average in the top half of his Statistics class. Which measure can he use to determine if he has achieved his goal? A. Mean В. Median C. Mode D. Range 5. The time Jepoy worked last week was recorded in the table below. Which measure of central tendency would change if Jepoy worked two days less than on Wednesday? Monday Tuesday Wednesday Thursday Friday 8 hours 6 hours 7 hours 4 hours 6 hours A. Mean B. Median C. Mode D. Range 6. The median score is also the_ A. 75th percentile C. upper quartile B. 5th decile D. first quartile 7. Mary obtained a score of 45 which is equivalent to a 60th percentile rank in Statistics test. Which of the following is NOT true? A. She scored above 60% of her classmates B. Forty percent of the class got scores of 45 and above C. If the passing grade is the lower quartile, she passed the test. D. Her score is below the 5th decile. 8. Juvy's score in a 75-item was the median score. What is her percentile rank? A. 75 В. 35 C. 37 D. 50

4. Joshua's academic target is to get his test average in the top half of his Statistics class. Which measure can he use to determine if he has achieved his goal? A. Mean В. Median C. Mode D. Range 5. The time Jepoy worked last week was recorded in the table below. Which measure of central tendency would change if Jepoy worked two days less than on Wednesday? Monday Tuesday Wednesday Thursday Friday 8 hours 6 hours 7 hours 4 hours 6 hours A. Mean B. Median C. Mode D. Range 6. The median score is also the_ A. 75th percentile C. upper quartile B. 5th decile D. first quartile 7. Mary obtained a score of 45 which is equivalent to a 60th percentile rank in Statistics test. Which of the following is NOT true? A. She scored above 60% of her classmates B. Forty percent of the class got scores of 45 and above C. If the passing grade is the lower quartile, she passed the test. D. Her score is below the 5th decile. 8. Juvy's score in a 75-item was the median score. What is her percentile rank? A. 75 В. 35 C. 37 D. 50

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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encircle ALL of the correct answers in this given questions. ALL questions should be answered

4. Joshua's academic target is to get his test average in the top half
of his Statistics class. Which measure can he use to determine if he
has achieved his goal?
A. Mean
B. Median
с. Mode
D.
Range
5. The time Jepoy worked last week was recorded in the table below.
Which measure of central tendency would change if Jepoy worked
two days less than on Wednesday?
Monday
Tuesday
Wednesday
Thursday
Friday
8 hours
6 hours
7 hours
4 hours
6 hours
A. Mean
B. Median
C. Mode
Range
6. The median score is also the
A. 75th percentile
C. upper quartile
B. 5th decile
D. first quartile
7. Mary obtained a score of 45 which is equivalent to a 60th percentile
rank in Statistics test. Which of the following is NOT true?
A. She scored above 60% of her classmates
B. Forty percent of the class got scores of 45 and above
C. If the passing grade is the lower quartile, she passed the test.
D. Her score is below the 5th decile.
8. Juvy's score in a 75-item was the median score. What is her
percentile rank? A. 75
В. 35
C. 37 D.
50
D.

9. If you have the variance, how do you get the standard deviation?
A. Square it.
C. Take the reciprocal
B. Take the square root
D. Subtract the mean
10. The variance and mean for a given set of data is 25 and 64
respectively. Calculate the standard deviation.
A. 625
В. 5
C. 2.56
D. 8
11. When the correlation coefficient, r, is close to one
A. there is no relationship between the two variables
B. there is a strong linear relationship between the two variables
C. it is impossible to tell if there is a relationship between
thetwo variables
D. the slope of the regression line will be close to one.
12. Let x be a normal random variable with a mean of 50 and a standard
deviation of 3. A z-score was calculated for x, and the z-score is -1.2.
What is the value of x?
A. 53.6
B. 0.1151
С. 46.4
D. 0.8849
13. Mr. Z has just given a chemistry exam and wanted to calculate
the 'range' of performance of his students. What must he do?
A. Identify the central score.
B. Find the score that occurs most often.
C. Identify how far from average each score is.
D. Subtract the lowest score from the highest score.
14. To determine the mean of a set of data, the first step is to
A. calculate the median
B. add the sum of the values in the set
C. Determine the standard deviation of the set of values
D. Calculate the mode first and then the sum
15. When the correlation coefficient, r, is close to one
A. there is no relationship between the two variables
B. there is a strong linear relationship between the two variables
C. it is impossible to tell if there is a relationship
between thetwo variables
D. the slope of the regression line will be close to one

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