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please do all the parts for each Question and circle the answers plezzzzzzz thanks Find the sample variance and standard deviation. Question list l6 20,15,6,1o,12
please do all the parts for each Question
and circle the answers plezzzzzzz
thanks
Find the sample variance and standard deviation. Question list l6 20,15,6,1o,12 n 0 Question 1 Choose the correct answer below. Fill in the answer box to complete your choice. (Type an integer or a decimal. Round to one decimal place as needed.) 0 Question 2 O A. 62 = o B. 52 = 0 Question 3 0 Question 4 0 Question 5 The following data represent the flight time (in minutes) of a random sample of seven flights from one city to another city. Question list K 284, 270, 260, 266, 257, 263, 269 Compute the range and sample standard deviation of flight time. x Question 1 The range of flight time is |minutes. Question 2 O Question 3 O Question 4Question list 0 Question 1 0 Question 2 0 Question 3 0 Question 4 0 Question 5 0 Question 6 0 Question 7 0 Question 8 0 Question 9 0 Question 10 l Match the histograms on the right to the summary statistics given. II III IV Median Standard Deviation 1.7 12 11 19 Next question (a) (b) (C) (d) ,4444' Frequency A N o o 0 Frequency 4 N o a 0 Frequency Frequency U1 m N z: a: b m 56 66 76 as (b) o N? z: F 6 36 46 56 66 76 86 (c) m A 16 36 56 76 96116 (d) 9,0 The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a "ipped" classroom. Complete parts (a) through (c) below. Questlon \"St '6 Traditional 70.8 68.9 79.9 66.8 85.9 77.4 55.9 D 82.3 80.6 71.8 63.7 69.3 60.5 Flipped 76.0 71.5 63.1 72.9 78.0 91.0 78.2 0 Question 1 77.1 81.1 71.2 91.3 76.8 77.1 0 Question 2 _ _ _ _ _ _ _ (8) Which course has more dispersion in exam scores using the range as the measure of dispersion? The traditional course has a range of , while the "flipped" course has a range of . The V course has more dispersion. 0 Question 3 (Type integers or decimals. Do not round.) 0 Question 4 0 Question 5 0 Question 6 0 Question 7 0 Question 8 The following data represent the weights (in grams) of a random 0.93 0.87 0.83 0.83 0.83 0.88 0.96 0.87 0.86 0.84 Question list K sample of 50 candies. 0.85 0.87 0.79 0.84 0.94 0.84 0.71 0.84 0.73 0.82 0.93 0.77 0.78 0.94 0.84 0.91 0.88 0.91 0.81 0.76 0.99 0.83 0.75 0.76 0.85 0.78 0.83 0.84 0.9 0.78 x Question 1 0.76 0.98 0.72 0.74 0.82 0.82 0.86 0.94 0.95 0.84 O Question 2 (a) Determine the sample standard deviation weight. s = gram O Question 3 (Round to two decimal places as needed.) O Question 4 O Question 5 O Question 6 O Question 7Question list K Stocks may be categorized by sectors. The accompanying data represent the one-year rate of return (in percent) for a sample of consumer cyclical stocks and industrial stocks for a 12-month period. Note: Consumer cyclical stocks include restaurants and retailers. Industrial stocks include manufacturers and shipping companies. Complete parts (a) through (c) below. Click the icon to view the data. x Question 1 (a) Draw a relative frequency histogram for each sector using a lower class limit for the first class of - 50 and a class width of 10. Which sector appears to have more dispersion? Choose the correct relative frequency histogram for consumer cyclical stocks. Question 2 O A. O B. O C. O D. 0.3- 0.3- 0.3- 0.3- O Question 3 Relative Frequency Relative Frequency Relative Frequency Relative Frequency O-HILL O Question 4 50 150 -50 150 50 150 -50 150 Rate of Return Rate of Return Rate of Return Rate of Return Question 5 O Question 6 O Question 7 Question 8. . The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 20 grams. Use the empirical rule to determine the following. QUeStIOn \"St '6 (a) About 99.7% of organs will be between what weights? (b) What percentage cl organs weighs between 270 grams and 350 grams? (c) What percentage 0! organs weighs less than 270 grams or more than 350 grams? _ (d) What percentage 01 organs weighs between 250 grams and 350 grams? 0 Question 1 0 Question 2 (a)l and grams (Use ascending order.) 0 Question 3 O Question 4 0 Question 5 0 Question 6 If a variable has a distribution that is bell-shaped with mean 17 and standard deviation 5, then according to the Empirical Rule, 95.0% of the data will lie between which values? Question list K (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) x Question 1 According to the Empirical Rule, 95.0% of the data will lie between | and. (Type integers or decimals rounded to two decimal places as needed. Use ascending order.) O Question 2 O Question 3 O Question 4 O Question 5 O Question 6 O Question 7 Question 8 O Question 9 O Question 10Step by Step Solution
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