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Single Sample T-test: A researcher would like to study the
Single Sample T-test: A researcher would like to study the effect of alcohol on reaction time. It is known that under regular circumstances the distribution of reaction times is normal with μ = 200. A… read more
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a. Using Mens Ideal Weights, make a histogram, get Mean, Std.Deviation,
a. Using Men's Ideal Weights, make a histogram, get Mean, Std.Deviation, and Five-Number Summary. Describe the distribution. Description should include min, max, center, spread, number of peaks, shape… read more
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2. Construct both an ungrouped and a grouped frequency distribution
2. Construct both an ungrouped and a grouped frequency distribution for the data given below: 68 74 72 68 61 60 72 73 60 66 73 73 71 65 68 60 71 66 72 61 3. Construct both an ungrouped and a grouped f… read more
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1. Consider a population with u=74.5 and Q=3.04 . (A) Calculate
1. Consider a population with u=74.5 and Q=3.04 . (A) Calculate the z-score for x=75.7 from a sample of size 18. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B… read more
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"for David" Assume that the population of heights of female
"for David" Assume that the population of heights of female college students is approximately normally distributed with mean m of 66.24 inches and standard deviation s of 5.07 inches. A random sample … read more
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Florida condominiums are popular winter retreats for many North
Florida condominiums are popular winter retreats for many North Americans. In recent years, the prices have steadily increased. A real estate agent wanted to know why prices of similar sized apartment… read more
Chirag
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Assume that the population of heights of female college students
Assume that the population of heights of female college students is approximately normally distributed with mean μ of 66.24 inches and standard deviation σ of 5.07 inches. A random sample of 72 height… read more
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1. Write a correct null and alternative hypothesis that tests
1. Write a correct null and alternative hypothesis that tests the claim that the mean distance a student commutes to campus is no less than 7.8 miles.(Show All Work and Steps) 2. A researcher claims t… read more
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Florida condominiums are popular winter retreats for many North
Florida condominiums are popular winter retreats for many North Americans. In recent years the price has steadily increased. A real estate agent wanted to know why prices of similar size apartments in… read more
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5) K & S Construction, located in Phoenix, Arizona, is working
5) K & S Construction, located in Phoenix, Arizona, is working on its business plan for the upcoming year. They did a study to determine if they should focus on building condominiums or individual hou… read more
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8) Cake manufacturer Little Divas wants to increase the shelf
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Hey I need the answers that you already answered for another
Hey I need the answers that you already answered for another customer (Construct a stem and leaf display for the data below… read more
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Use the confidence level and sample data to find a confidence
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3. A sample of 93 golfers showed that their average score on
3. A sample of 93 golfers showed that their average score on a particular golf course was 89.33 with a standard deviation of 6.43. Answer each of the following (show all work and state the final answe… read more
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1. Construct a stem-and-leaf display for the data below. 219
1. Construct a stem-and-leaf display for the data below. 219 225 222 243 234 241 231 235 234 231 240 231 246 232 229 233 233 226 225 227 230 229 227 218 216 234 240 2. The number of vehicles passing a… read more
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1. Consider a population with 77.6 and 5.63. (A) Calculate
1. Consider a population with µ= 77.6 and s = 5.63. (A) Calculate the z-score for x ¯ = 76.1 from a sample of size 52. (B) Could this z-score be used in calculating probabilities using Table 3 in Appe… read more
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. Consider a binomial distribution with 15 identical trials,
. Consider a binomial distribution with 15 identical trials, and a probability of success of 0.4 i. Find the probability that x = 2 using the binomial tables ii. Use the normal approximation to find t… read more
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Assume that the population of heights of female college students
Assume that the population of heights of female college students is approximately normally distribution with mean u-,population mean- of 69 inches and standard deviation-sigma sign,population standard… read more
Chirag
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