Does this data come from a normal distribution? Discuss and do an appropriate calculation.
result |
82.5 |
62.5 |
47.5 |
85 |
62.5 |
57.5 |
72.5 |
55 |
70 |
42.5 |
52.5 |
22.5 |
52.5 |
35 |
32.5 |
87.5 |
87.5 |
72.5 |
70 |
70 |
87.5 |
57.5 |
95 |
70 |
67.5 |
60 |
35 |
35 |
77.5 |
87.5 |
97.5 |
75 |
50 |
52.5 |
60 |
45 |
80 |
65 |
62.5 |
35 |
95 |
37.5 |
30 |
50 |
95 |
85 |
70 |
80 |
50 |
80 |
92.5 |
65 |
60 |
27.5 |
62.5 |
35 |
from histogram it is to be seen that data is normally distributed.
Does this data come from a normal distribution? Discuss and do an appropriate calculation. re...
1. Consider the following sample spot speed data. The speeds are in miles per hour Speed Grou Lower Limit Upper Limit Mid-point Frequenc 27.5 32.5 37.5 42.5 47.5 52.5 57.5 62.5 67.5 72.5 77.5 82.5 87.5 92.5 25 30 35 40 45 50 22.6 27.6 32.6 37.6 42.6 47.6 52.6 57.6 62.6 67.6 72.6 77.6 82.6 87.6 2 14 25 60 65 70 75 80 85 90 4 (a) Calculate the sample mean speed (b) Calculate the sample median speed...
55 52.5 50 47.5 45 42.5 Stay 40 37.5 $ price A 32.5 30 27.5 25 22.5 20 17.5 15 12.5 10 7.5 2.5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 951000510 In the above graph, a $5 per unit tax is charged to suppliers. i. locate the after-tax price paid by consumers (P) ii. locate the after-tax price received by producers (P) iii. locate the after-tax quantity...
what are the answers to these questions? Use the graph below to answer questions 5-10. It represents the market for flu-shots, a good that produces a sizable positive externality, | 55 52.5 ។ 50 47.5 45 ។ 42.5 | | 40 37.5 351 32.5 ។ ង 30 | E. 27.5 ។ 25 22.5 + 20 ។ 17.5 ។ 15 12.5 D social 9 2.5 ។ | 0 5 10 15 20 25 30 35 40 45 50 55 60 65...
The ogives shown are based on U.S. Census data and show the average annual personal income per capita for each of the 50 states. The data are rounded to the nearest thousand dol lars. (i) Ogive Personal Income per Capita by State Cumulative frequency 50 49 50 40 30 20 10 Per capita income 37.5 ($1000) 27.5 32.5 42.5 47,5 52.5 (i) Ogive Showing Cumulative Percentage of Data Personal Income per Capita by State Percent of states 100% 100 90...
A survey on road safety done by one of the students at Vaughn College last year reported the relative speed, rounded to the nearest 5 mph, of cars involved in accidents. The percentages at different speeds were: 20 mph or less 2.0% 25 or 30 mph 29.7% 35 or 40 mph 30.4% 45 or 50 mph 16.5% 55 mph 19.2% 60 or 65 mph 2.2% (a) From these data, can we conclude that it is safe to drive at high...
For the calculations in Problems 6-10 use the following option quotations regarding the stock of Gilead. Gilead has been trading at $82.08. While graphs are quite valuable, and can help you solve the problem, you don't have to send them. For simplicity, all strategies will be done for 1 share each time (not a contract). Ask 2.35 2.72 3.3 Calls Bid 21-Jan-22 4 0| 21-Jan-22 37.5 21-Jan-22 35.1 21-Jan-22 34.35 21-Jan-22 32.45 21-Jan-22 30.55 21-Jan-22 28.8 21-Jan-22 26.65 21-Jan-22 26...
Personal Income per Capita by State Cumulative frequency 50 40 за 20 10 48 15 34 15 Per capita income $1000) 27.5 32.5 375 42.5 475 52.5 (i) Ogive Showing Cumulative Percentage of Data Personal Income per Capita by State Percent of states 100% 100 90 80 70 60 50 40 30 20 10 96 30 Per capita income (S1000) 27.5 325 37.542.5 475 52.5 (a) How were the percentages shown in graph (i) computed? 0 The percentages in graph...
data: (if needed) Race Position Oral exam results Written exam results Combined results B Lieutenant 45.83 46 45.932 B Lieutenant 52.92 49 50.568 B Captain 54.76 49 51.304 H Lieutenant 48.33 58 54.132 B Lieutenant 52.08 56 54.432 H Lieutenant 40.83 64 54.732 B Captain 60 53 55.8 W Captain 53.81 58 56.324 B Lieutenant 58.75 55 56.5 W Lieutenant 54.58 58 56.632 B Lieutenant 55.83 58 57.132 W Lieutenant 45.42 65 57.168 H Lieutenant 44.17 66 57.268 H Captain ...
Data: (If needed) Race Position Oral exam results Written exam results Combined results B Lieutenant 45.83 46 45.932 B Lieutenant 52.92 49 50.568 B Captain 54.76 49 51.304 H Lieutenant 48.33 58 54.132 B Lieutenant 52.08 56 54.432 H Lieutenant 40.83 64 54.732 B Captain 60 53 55.8 W Captain 53.81 58 56.324 B Lieutenant 58.75 55 56.5 W Lieutenant 54.58 58 56.632 B Lieutenant 55.83 58 57.132 W Lieutenant 45.42 65 57.168 H Lieutenant 44.17 66 57.268 H Captain...
Select two data values from your raw data – one that is inside of the confidence interval and one that is outside – one must be at the high end of the data and one at the low end – and construct two hypothesis tests, one for each value. One of the tests should be a “less than”, the other should be a “greater than”, depending on the value being tested. Use a 95% level of confidence. Showcase Ho and...