Use the given frequency distribution to find the (a) class width. (b) class midpoint of the first class. (c) class boundaries of the first class. Height (in inches) Class Frequency, f 50-52 53-55 8 56-58 12 59-61 13 62-64 11 ..... (а) 3 O A. (b) 51 (c) 50-52 (a) 2 O B. (b) 51.5 (c) 49.5-52.5 (а) 2 O C. (b) 51.5 (c) 50-52 (a) 3 O D. (b) 51 (c) 49.5-52.5 57°F a arch
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- Given the following frequency table, calculate the mean of X. (Please round your answer to 2 decimal places, ex: 3.12) +-----------------------------------+ | X: 16 17 18 19 20 | |-----------------------------------| | f(X): 2 5 4 3 1 | +-----------------------------------+Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 100 pounds and a standard deviation of 38.5 pounds. Random samples of size 18 are drawn from this population and the mean of each sample is determined. μx=nothingThe temperature in oF in Yosemite National Park, California in random 20 days were recorded in the following stem-and-leaf plot. Stem (in tens) Leaf (in ones) 5 2445 6 34668 7 00224456 8 112 Construct a frequency distribution with a class width of 8 starting with a lower class limit of 50. Duration Frequency - - - - -
- Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 100 pounds and a standard deviation of 38.6 pounds. Random samples of size 20 are drawn from this population and the mean of each sample is determined. ux= o-x= graph=The inner diameters of washers produced by a company can be measured to the nearest thousandth of an inch. If the class marks of a frequency distribution of these diameters are given in inches by 0.587, 0.602 and 0.617, and the class limits of these class marks areUse the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 109 pounds and a standard deviation of 38.3 pounds. Random samples of size 15 are drawn from this population and the mean of each sample is determined. μx=nothing σx=nothing (Round to three decimal places as needed.) Sketch a graph of the sampling distribution. Choose the correct graph below. A. 109 89.2128.8 x A normal curve is over a horizontal x overbar axis labeled from 89.2 to 128.8 and is centered on 109. B. 9.9 -99.1118.9 x A normal curve is over a horizontal x overbar axis labeled from negative 99.1 to 118.9 and is centered on 9.9. C. 9.9 -317.1336.9 x A normal…
- Which of the following are specified by the central limit theorem? a. the mean of a specific sample from the distribution of sample means b. the mean of the distribution of sample means c. the shape of the distribution of sample means d. the variability for the distribution of sample meansThe inner diameters of washers produced by a company can be measured to the nearest thousandth of an inch. If the class marks of a frequency distribution of these diameters are given in inches by 0.587, 0.602 and 0.617, and the class limits of these class marks are Blank 1, Blank 2 and Blank 3 (use 3 decimal places)) Suppose a man has ordered twelve 1-gallon paint cans of a particular color (lilac) from the local paint store in order to paint his mother’s house. Unknown to the man, three of these can contains an incorrect mix of paint. For this weekend’s big project, the man randomly selects four of these 1-gallon cans to paint his mother’s living room. Let x = the number of the paint cans selected that are defective. Unknown to the man, x follows a hypergeometric distribution. Find the probability that none of the four cans selected contains an incorrect mix of paint. A) 01818 B) 50909 C) 25455 D) 0.21818
- ) Suppose a man has ordered twelve 1-gallon paint cans of a particular color (lilac) from the local paint store in order to paint his mother’s house. Unknown to the man, three of these can contains an incorrect mix of paint. For this weekend’s big project, the man randomly selects four of these 1-gallon cans to paint his mother’s living room. Let x = the number of the paint cans selected that are defective. Unknown to the man, x follows a hypergeometric distribution. Find the probability that a least one of the four can selected contains an incorrect mix of paint. A) 78182 B) 74545 C) 50909 D) 49091In the world populations, normal body temperature follows a normal distribution with mean = 98.6 degrees F and a standard deviation of 0.6. The mean body temperature will be determined for a randomly selected group of 14 individuals. Is Central Limit Theorem can be applied here, Blank 1Using the frequency distribution, describe the shape in terms of its skewness and kurtosis (calculate/compute SK and K).