QUESTION 8 According to the Emprical Rule, what approximately what percentage of observations should lie within...
1. According to the empirical rule, in a normally distributed set of data, approximately what percent of the scores will be within 1 standard deviation (-1 to +1) away from the mean? 40% 95% 68% 75% 2. f you took an IQ test and your score was 2 standard deviations above average, assuming normal distribution, approximately what percent of all IQ test takers would your score be higher than? 98% 60% 70% 80% 3. if you took an IQ test...
4 2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. The following random sample of 28 female basketball player heights, in inches, is: 63 71 69 65 73 84 70 69 67 74 75 68 65 63 67 69 68 72 73 75 72 75 73 68 69 74 65 65 What is the shape of the this box plot?
2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. WHAT IS THE ALTERNATIVE HYPOTHESIS below? A manufacturer claims that 10% of women using the "pill" suffer from side effects. The Federal Drug Administration (FDA) believes that the manufacturer's claim is too low and decides to test the manufacturer's claim at α = 5 %. A random sample of 900 women who use the manufacturer's...
2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. An auto manufacturer claims that its new 4-cylinder Hybrid auto with manual shift averages 50 mpg under city driving conditions. A Federal Agency believes this claim is too high and decides to randomly test 25 of the manufacturer's 4-cylinder Hybrid autos with manual shift. The Agency determines the mean average mpg for the sample...
mpirical Rule data set which is mound-shaped or approximately mound-sha Forroximately normal), the following statements will hold: 68% of the observations will lie within μ ~95% of the observations will lie within μ -99.7% of the observations will lie within (i.e., normal or app σ 2σ . 3 . Consider a r.v., Z, with a standard normal distribution. We can co Empirical Rule using the Standard Normal Table. nfirm each of the statements in the Note,' Since Z ~ N...
13. Using the Empirical Rule of a bell-shaped distribution, approximately what percent of data values lie within two standard deviations of the mean?
According to Chebyshev's theorem, at least what percentage of the observations in a data set will lie within three standard deviations of the mean? a. 99.7% O b, 89% ?c.68% O d, 9496
The empirical rule states that, for data having a bell-shaped distribution, the percentage of data values being within one standard deviation of the mean is approximately t of Select one: a. 33%. b, 50% C. 68%. d. 95%.
According to the empirical rule, in a normal distribution, about what proportion of values falls within 1 standard deviation from the mean? a)68% 34% b)at least 75% c)100%
15.When a distribution is bell-shaped, approximately what percentage of data values will fall within 1 standard deviation of the mean? a. 50% c. 95% b. 68% d. 99.7% 21. If the mode is to the left of the median and the mean is to the right of the median, then the distribution is _________ skewed.