Homework Answers
The boxplot of sencond sample is more wider than of 1st. Which gives the idea that the data have more variability than of the first sample.
So correct answer is-
The second sample is largest.
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Consider the following boxplots: 150 100 50 0 1 2 It appears that the dispersion of...
Consider the following boxplots: 150 100 50 O 2 It appears that the dispersion of A....
Consider the following boxplots: 150 100 50 O 2 It appears that the dispersion of A. the first sample is the largest B. the second sample is the largest C. the first and second sample is the same D. both samples cannot be compared E. none of the preceding
Consider the following table. Amount of Life Insurance on Husband (thousands of $) 0−50 50−100 100−150...
Consider the following table. Amount of Life Insurance on Husband (thousands of $) 0−50 50−100 100−150 More than 150 Amount of Life Insurance on Wife (thousands of $) 0−50 400 200 50 50 50−100 50 50 30 249 100−150 20 10 25 147 More than 150 20 268 176 15 Given the husband has between $50,000 and $100,000 of insurance, what is the probability that the wife has more than $150,000 of insurance? Round your final answer to four...
(2 points) Consider a random variable X that takes the values 0, 50, 100, 150, and...
(2 points) Consider a random variable X that takes the values 0, 50, 100, 150, and 200, each with probability 0.2. Let Y = |X − 100| be the (absolute) deviation of X from its average value 100. Compute the probability mass function (PMF) and cumulative distribution function (CDF) of Y . Explain.
Price (dollars per shire) 0 50 100 200 250 300 150 9. The above figure shows...
Price (dollars per shire) 0 50 100 200 250 300 150 9. The above figure shows the market for same day t-shirts. If there is a surplus of 125 t-shirts, then A) supply will shift to the right and equilibrium will be attained B) the price of t-shirts will eventually rise C) the price of t-shirts is S11 dollars. D) the price of t-shirts is S8 dollars. E) none of the above DOLL Priser 5 6
Baseballs 150--- 100-P 50 100 200300 0 Bananas 9. Refer to Figure 2-6. What is the...
Baseballs 150--- 100-P 50 100 200300 0 Bananas 9. Refer to Figure 2-6. What is the opportunity cost to society of the movement from point A to point C? a. 50 baseballs b. 100 baseballs c. 100 bananas d. 300 bananas Refer to Figure 2-6. If this economy put all available resources into the production of bananas, it could produce a. 200 bananas and also 150 baseballs. b. 300 bananas and also 100 baseballs. c. 400 bananas and no baseballs....
For Questions 22-23, Exa population interaction experiment between two al mine the Figure Below. It shows the results of an interspecific 300 250 š 200 150 100 50 0 Euglena in Mix --Closterium in...
For Questions 22-23, Exa population interaction experiment between two al mine the Figure Below. It shows the results of an interspecific 300 250 š 200 150 100 50 0 Euglena in Mix --Closterium in Mix 士Euglena Alone -*-Closterium Alone 1 2 3 45 67 8 Days 22) The preceding figure is consistent with which ecological interaction? A) Competition: Closterium excludes Euglena B) Competition: Euglena excludes Closterium. C) Both species compete, but coexist. D) Euglena seems to exhibit a commensal interaction...
Consider the following timeline: Date 0 1 2 3 -$150 $40 $80 $100 Cash flow If...
Consider the following timeline: Date 0 1 2 3 -$150 $40 $80 $100 Cash flow If the current market rate of interest is 12%, then the value of the cash flows in year 0 and year 2 as of year 1 is closest to: O A. $171 B. $79 C. - $70 OD. - $79
1. Consider the following sample of five LSAT scores: 155 155 150 180 175 Compute...
1. Consider the following sample of five LSAT scores: 155 155 150 180 175 Compute the 40th percentile score. (a) 155 (b) 160 (c) 160.5 (d) 167.5 (e) none of these responses 2. Consider the below data on years of education and earnings. Years of Education 13 17 12 21 22 Earnings (in 1000’s) $25 $55 $20 $80 $100 Compute the correlation coefficient between years of education and earnings. (a) .793 (b) -.922 (c) 3.96 (d)...
please??? 1. Consider the following dispersion curve. E(k) 1.5ev 0.7 ev k, 0.0 ev (a) Is...
please???
1. Consider the following dispersion curve. E(k) 1.5ev 0.7 ev k, 0.0 ev (a) Is this a direct or indirect semiconductor? [1) What is the bandgap of the semiconductor? [1] Considering point B and C on the graph, where is the effective mass largest and why? [2] d) Of the highlighted points, A, B, C or D where is the effective mass negative?(1] Ye) Is the electron velocity positive, negative or zero at point D? EXPLAIN your reasoning. (2]...
15. Multiple Choice Question Consider two independent normal populations. A random sample of size n =...
15. Multiple Choice Question Consider two independent normal populations. A random sample of size n = 16 is selected from the first normal population with mean 75 and variance 288. A second random sample of size m - 9 is selected from the second normal population with mean 80 and variance 162. Assume that the random samples are independent. Let X, and X, be the respective sample means. Find the probability that X1 + X, is larger than 156.5. A....
Consider the following boxplots: 150 100 50 O 2 It appears that the dispersion of A. the first sample is the largest B. the second sample is the largest C. the first and second sample is the same D. both samples cannot be compared E. none of the preceding
Price (dollars per shire) 0 50 100 200 250 300 150 9. The above figure shows the market for same day t-shirts. If there is a surplus of 125 t-shirts, then A) supply will shift to the right and equilibrium will be attained B) the price of t-shirts will eventually rise C) the price of t-shirts is S11 dollars. D) the price of t-shirts is S8 dollars. E) none of the above DOLL Priser 5 6
Baseballs 150--- 100-P 50 100 200300 0 Bananas 9. Refer to Figure 2-6. What is the opportunity cost to society of the movement from point A to point C? a. 50 baseballs b. 100 baseballs c. 100 bananas d. 300 bananas Refer to Figure 2-6. If this economy put all available resources into the production of bananas, it could produce a. 200 bananas and also 150 baseballs. b. 300 bananas and also 100 baseballs. c. 400 bananas and no baseballs....
For Questions 22-23, Exa population interaction experiment between two al mine the Figure Below. It shows the results of an interspecific 300 250 š 200 150 100 50 0 Euglena in Mix --Closterium in Mix 士Euglena Alone -*-Closterium Alone 1 2 3 45 67 8 Days 22) The preceding figure is consistent with which ecological interaction? A) Competition: Closterium excludes Euglena B) Competition: Euglena excludes Closterium. C) Both species compete, but coexist. D) Euglena seems to exhibit a commensal interaction...
Consider the following timeline: Date 0 1 2 3 -$150 $40 $80 $100 Cash flow If the current market rate of interest is 12%, then the value of the cash flows in year 0 and year 2 as of year 1 is closest to: O A. $171 B. $79 C. - $70 OD. - $79
please???
1. Consider the following dispersion curve. E(k) 1.5ev 0.7 ev k, 0.0 ev (a) Is this a direct or indirect semiconductor? [1) What is the bandgap of the semiconductor? [1] Considering point B and C on the graph, where is the effective mass largest and why? [2] d) Of the highlighted points, A, B, C or D where is the effective mass negative?(1] Ye) Is the electron velocity positive, negative or zero at point D? EXPLAIN your reasoning. (2]...
15. Multiple Choice Question Consider two independent normal populations. A random sample of size n = 16 is selected from the first normal population with mean 75 and variance 288. A second random sample of size m - 9 is selected from the second normal population with mean 80 and variance 162. Assume that the random samples are independent. Let X, and X, be the respective sample means. Find the probability that X1 + X, is larger than 156.5. A....
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