Use PHStat or MS Excel to generate a random sample, select 20 numbers from each of the total possible numbers of: a) 53 b) 437 c) 3,498 d) 9,010
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Use PHStat or MS Excel to generate a random sample, select 20 numbers from each of the total possible numbers of:
a) 53
b) 437
c) 3,498
d) 9,010
Step by step
Solved in 4 steps
- In how many ways can 8 persons be seated around a table with 8 chairs if two individuals wanted to be seated side by side? Answer must be a whole number. Sample Answer: 3880Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly. A. convenience B. systematic C. stratified D. cluster E. random3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o
- A political scientist surveys 36 of the current 92 representatives in a state's legislature. What is the size of the sample: What is the size of the population: Submit QuestionTen countries were randomly selected from the list of 129 countries in theCountry. The countries are compared with respect to their gross nationalproduct per capita, an indicator of the average income level of each country.Researchers have found that people in countries with higher income levelstend to live longer than do people in countries with lower income levels.In addition, birth rates tend to be higher in countries with lower incomes,with birth rates declining as countries become better off economically. a. Use this data to determine the Spearman rank correlation of GNP with(i) life expectation, and (ii) the birth rate. b. Test to determine whether the correlation of ranks is statisticallysignificant at the 0.05 level of significance.The lengths (in kilometers) of a random sample of 20 rivers on the South Island of New Zealand that flow to the Tasman Sea are listed in table below. Lengths of Rivers (in km) 177 56 76 68 56 For the data shown above, find the following. Do not round any of your answers. The program here will take either answer. a) Find the 5-number summary: b) Compute the IQR. c) What is the lower fence for this data set? |} What units would go on each of your answers above? What is the upper fence for this data set? 32 40 72 37 108 64 56 51 64 32 35 72 48 80 64
- Data from the Bureau of Labor Statistics indicates that in a certain month, 35.7% of the labor force had a high school diploma or fewer years of education, 29.4% had some college or an associate's degree, and 34.9% had a bachelor's degree or more education. Of those with a high school diploma or fewer years of education, 5.5% were unemployed. Of those with some college or an associate's degree, 4.4% were unemployed, and of those with a bachelor's degree or more education, 2.4% were unemployed. Find the probability that a randomly chosen labor force participant has some college or an associate's degree given that he or she is unemployed. 12 The probability is 0 (Type an integer or decimal rounded to three decimal places as needed.)Nine homes are chosen at random from real estate listings in two suburban neighborhoods, and the square footage of each home is noted in the following table. Size of Homes in Two Subdivisions Subdivision Square Footage Greenwood 2,805 2,741 2,567 2,407 2,842 2,571 2,785 2,420 2,616 Pinewood 2,786 2,798 2,371 2,587 2,604 2,370 2,522 2,805 3,624 (c) Find the test statistic tcalc. (A negative value should be indicated by a minus sign. Round your answer to 3 decimal places.)(d) Assume unequal variances to find the p-value. (Use the quick rule to determine degrees of freedom. Round your answer to 4 decimal places.)The weights of seven boxes of cereal are: {12 oz, 10 oz, 8 oz, 9 oz, 10 oz, 13 oz, and 15 oz} Compute the sample mean. Group of answer choices
- In how many ways can 8 persons be seated around a table with 8 chairs if two individuals wanted to be seated side by side? Answer must be a whole number. Sample Answer: 3880A U.S. Census finds that 58.5% of women areemployed. A county commissioner thinks thata larger proportion of women in his county areemployed. He surveys 1000 randomly selectedwomen and finds that 622 are employed. UseNATDRC to test his claim.
