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You can answer any 15 questions from the 19 questions on an
You can answer any 15 questions from the 19 questions on an exam. In how many different ways can you choose the 15 questions, assuming that the order in which you choose the questions is irrelevant? … read more
Sandhya_sharma
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FOR STEVE: I. Use Chebyshevs theorem to find what percent
FOR STEVE: I. Use Chebyshev's theorem to find what percent of the values will fall between 166 and 346 for a data set with a mean of 256 and standard deviation of 18. II. Use the Empirical Rule to fin… read more
Stevewh
Stevewh
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When would you use Chebyshevs theorem and the empirical rule
When would you use Chebyshev's theorem and the empirical rule in business? How are they calculated? Provide one real-life example that requires Chebyshev's theorem and one that requires the empirical … read more
Martin
Martin
Master's Degree
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the following is a sample of 20 measurements 10, 9, 5,8,13,
the following is a sample of 20 measurements 10, 9, 5,8,13, 8, 10, 12, 11, 11, 10, 8, 10, 6, 14, 9, 13, 7, 9, 10 a. compute - x, s2, s for this sample ( the s is squared) - x= type as integer or decim… read more
Ryan
Ryan
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1. SAT I scores around the nation tend to have a mean scale
1. SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the populati… read more
SusanAthena
SusanAthena
Master's Degree
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Help1. For a particular sample of 77 scores on a psychology
Help 1. For a particular sample of 77 scores on a psychology exam, the following results were obtained First quartile = 42 Third quartile = 69 Standard deviation = 10 Range = 54 Mean = 62 Median = 56 … read more
SusanAthena
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A set of 50 data values has a mean of 15 and a variance of
A set of 50 data values has a mean of 15 and a variance of 36. Find the standard score of a data value = 20.… read more
R.R. Jha
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A study published in a journal investigated allergic reactions
A study published in a journal investigated allergic reactions of dental patients to local anesthetics. Based on a surbey of dental practices the study showed that the mean number of units (ampoules) … read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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Statistic Discussion Questions 1. What is the main difference
Statistic Discussion Questions: 1. What is the main difference in using the Chebychev's Theorem and the Empirical Rule? 2. Why is a z-score called a "Standard Score"? Although there is a formula to ca… read more
Osbert12
Osbert12
Master's Degree
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I have to find the percent of gas sold from $2.00 to $2.60
I have to find the percent of gas sold from $2.00 to $2.60 when the median is at $2.30 and the standard deviation is given at $.10. I got that it was three standard deviations away from the mean and s… read more
Stevewh
Stevewh
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A major cab company in Chicago has computed its mean fare from
A major cab company in Chicago has computed its mean fare from O'Hare Airport to the Drake Hotel to be $, with a standard deviation of $. Based on this information, complete the following statements a… read more
StatisticsExpert
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Doctoral Degree
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Navy shows profits of 20%, 18%, and 15% on a monthly basis
Navy shows profits of 20%, 18%, and 15% on a monthly basis for the past three months? Army would have 10%, 12%, and 17% for three months. USCG would have 21%, 18% and 12% for the past three months. Wh… read more
Chirag
Chirag
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When would you use Chebyshevs theorem and the empirical rule
When would you use Chebyshev's theorem and the empirical rule in business? How are they calculated? Provide one real-life example that requires Chebyshev's theorem and one that requires the empirical … read more
Chirag
Chirag
Master's Degree
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For a particular sample of 50 scores on a psychology exam,
For a particular sample of 50 scores on a psychology exam, the following results were obtained. First quartile = 52 Third quartile = 84 Standard deviation = 10 Range = 66 Mean = 79 Median = 78 Mode = … read more
mhasan420
mhasan420
Master's Degree
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I am to use Chebyshevs theorem to find what persent of the
I am to use Chebyshev's theorem to find what persent of the value will fall between 120 and 200 for a data set with mean of 160 and standard deviation of 10. Then I need to use the Empirical Rule to f… read more
John
John
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the results of a national survey showed that on average, adults
the results of a national survey showed that on average, adults sleep 6.9 hours per night. suppose that the standard deviation is 1.4 hours. A. use chebshevs theorem to calculate the percentage of ind… read more
abozer
abozer
Bachelor's Degree
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You are given the following data. x y2 173 194 185 115 27 37 15Fin
You are given the following data. x y 2 17 3 19 4 18 5 11 5 2 7 3 7 15 Find: - SS(x) - SS(y) - SS(xy) - The linear correlation coefficient, r - The slope b1 - The y-intercept, b0 - The equation of the… read more
StatisticsExpert
StatisticsExpert
Asst. Professor
Doctoral Degree
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I am having trouble interpreting the results of Chebyshevs
I am having trouble interpreting the results of Chebyshev's theorem as applied to random and actual data. In Excel I have two columns of data. The first column are random numbers and the second column… read more
Greg
Greg
Master's Degree
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