10 15 8 32 41 12 27 15 ▸1) ajvariance pop. b]standard deviation sample. c)aritmetic mean
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10 15 8 32 41 12 27 15
1) ajvariance pop.
b]standard deviation sample.
c)aritmetic mean
dj geometric mean
2) variance is 81, sample is 30, sample mean is 215,
calculate a)95% confidence interval for mean b) 90% confidence interval for mean
3x 11 5 3
12 13 18 17 22
y 25 8 11 24 20 39 43 50 show all calc
A)slope
B)intercept
C)correlation
D)line equation
Elif x=12 y=?
F) if y-11 x=?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd78e5931-5a94-43eb-b512-95bfd8a2454a%2F4919bf24-5c14-46db-be15-85bca97c9150%2Fn4piz6_processed.jpeg&w=3840&q=75)
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- Urgent need help immediatelyThe mean score and standard deviation of the test scores of students in Section 208 of a statistics course are 25.4 and 4.85 respectively while the mean score and standard deviation of the test scores of students in Section 209 in the course are 22.3 and 4.85 respectively. a) Which section did better on average? b) In which section are students scores less varied ?9) A small value of the mean of a data set indicates that the values of that data set are spread over a relatively smaller range around the standard deviation. Select one: False True
- The mean score on a driving exam for a group of driver’s education students is 76 points, with a standard deviation of 6 points. Apply chebychev’s theorem to the data using K=2. Interpret, At least ___% of the exam score falls between ___and ____How to find the simple variance & standard Deviation. Show the work for the simple variance mean: 52.1 range: 64 mode: 41.0 & 49.0Submit Angwer websign Studx f ASK YO 21-19 Points) DETAILS MY NOTES PODSTAT6 4.4.042.MI. The average playing time of music albums in a large collection is 32 minutes, and the standard deviation is 3 minutes. (a) What value is 1 standard deviation above the mean? I standard deviation below the mean? What values are 2 standard deviations away from the mea. 1 standard deviation above the mean 1 standard deviation below the mean 2 standard deviations above the mean 2 standard deviations below the mean (b) Without assuming anything about the distribution of times, at least what percentage of the times are between 26 and 38 minutes? (Round the answer to whole number) At least 96 (c) Without assuming anything about the distribution of times, what can be said about the percentage of times that are either less than 23 minutes or greater t 41 minutes? (Round the answer to the nearest whole number.) No more than (4) Assuming that the distribution of times is approximately normal, about what…
- Mean median and std dev. As well as the standard deviation of the white breadAn HR specialist wants to know, if the employees at the company he works for, work on average more than a full time week of 40 hours. He analyzes his data using SPSS. ( look at graphs) Was the test significant? Write the interpretation paragraph. (1) What was done 2) What test was done and what were the results (include APA) 3) What do the results mean? )6. When the mean is used to measure the location of a set of observations, you would usually measure the spread or dispersion of the observations by giving the (a) correlation. (b) first and third quartiles. (c) five-number summary. (d) standard deviation.
