The reaction times for a random sample to a stimulant were recorded as 2.5, 3.6, 3.1, 4.3, 2.9. 2.3, 2.6, 4.1, and 3.4 seconds. Calculate the median. O 4.1 O 3.1 O 2.9 O 3.33333
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- Find the standardized test , z to test the claim that p1 = p2. The sample statistics listed below are from independent samples.1. Find the percentage of N.d. observations with a zz-score between z1= -3.04 and z2 = 2.85. Give your answer to two decimal places. 2. Find the proportion of N.d. observations with a zz-score between z1= -2.95 and z2 = 0.70. Give your answer to four decimal places.The data to the right represent the weights (in grams) of a random sample of 50 candies. 0.87 0.85 0.86 0.82 0.84 0.86 0.95 0.83 0.92 0.82 0.82 0.88 0.79 0.89 0.85 0.81 0.72 0.83 0.74 0.82 0.95 0.78 0.78 0.92 0.85 0.93 0.85 0 85 0.82 0.75 0.97 0.84 0.79 0.75 0.84 0.78 0.82 0.86 0.89 0.76 Complete parts (a) through (f). 0.73 0.95 0.72 0.72 0.81 0.82 0.89 0.93 0.91 0.83 (a) Determine the sample standard deviation weight. gram(s) (Do not round until the final answer. Then round to three decimal places as needed.) (b) On the basis of the histogram to the right, comment on the appropriateness of using the Empirical Rule to make any general statements about the weights of the candies. 20- O A. The histogram is approximately bell-shaped so the Empirical Rule can be used. O B. The histogram is approximately bell-shaped so the Empirical Rule cannot be used. O C. The histogram is not approximately bell-shaped so the Empirical Rule can be used. 0.7 Weights (g) O D. The histogram is not…
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- Calculate sdThe trade volume of a stock is the number of shares traded on a given day. The following data, in millions represent the volume of a certain stock traded for a random sample of 40 trading days in 2007. use the data to compute a point estimate for the population mean number of shares traded per day in 2007. (Round to three decimal places as needed.)Said that trey watched the hornd (0 EO a SurNEN SE G00 adults 240 Cup final cn T.V. USing trese e Statistics, of error, E, Con fidlence loterval for the popation Caiculate Sample the margin for a 90% Of Gll Stu deots that watched the Warld cup final co t.v.
