QUESTION 1Use the following scenario to respond to items 1 and 2:The table below is a partially complete contingency table that shows responses to two treatments. Complete the table so that it will satisfy the nut hypothesis of a 3 Test of independence and yield that-0Treatment 1Treatment 2ResponseSuccessFatureTotal30300QUESTION 2Calculate the sample proportions based on the table completed in the previous problem100

The given table shows the responses to two treatments. The objective is to complete the contingency…

Answered: QUESTION 1 Use the following scenario…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Only about 17 of all people can wiggle their ears. Is this percent lower for millionaires? Of the 319 millionaires surveyed, 45 could wiggle their ears. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: py (please enter a decimal) %3D H: p # (Please enter a decimal) c. The test statistic t v (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 3 decimal places.) e. The p-value is s a f. Based on this, we should fail to reject g. Thus, the final conclusion is that... the null hypothesis. OThe data suggest the populaton proportion is significantly lower than 17% at a = 0.01, so there is statistically significant evidence to conclude that the population proportion of millionaires who can wiggle their ears is lower than 17%. O The data suggest the population proportion is not significantly lower than 17% at a = 0.01, so there is…
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our question: $ 4 R V 4) There shouldn't be a blood group difference between men and women as blood group type is not dependent on sex. However, you want to determine if there is any evidence to doubt this. You go out and collect the following data on blood types: Sex % Blood type 5 T G B Can you find a significant difference in blood types based on sex? Make sure you clearly state Ho, H₁, etc. Also clearly write out your decision and what it means. Q Search 6 A B Y AB O Male 128 23 14 131 & U 8 Female 159 33 18 161 N M | K H J K 9 O ▶11 O Course: BIOL 214 L P dele back
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Question 2 Is the proportion of wildfires caused by humans in the south different from the proportion of wildfires caused by humans in the west? 380 of the 550 randomly selected wildfires looked at in the south were caused by humans while 404 of the 572 randomly selected wildfires looked at the west were caused by humans. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer Select an answer Select an answer v (please enter a decimal) H: Select an answer v Select an answer V Select an answer |(Please enter a decimal) c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... (Please show your answer to 4 decimal places.) the null hypothesis. O The results are statistically insignificant at a = 0.01, so there is insufficient…
3. The number of counties, divisions, or parishes for each of the 50 states is given below. Use the data to construct a grouped frequency distribution with 6 classes (beginning with the lowest value) and the histogram. (Helpful Hint: use your TI to help you organize the data! Retain this data in your TI for use in question 9.) 21 8 67 159 5 27 15 75 58 64 67 92 99 105 120 64 16 23 14 102 44 82 114 56 93 16 10 83 87 62 100 67 95 39 55 72 33 53 88 77 36 5 46 66 95 254 29 14 23 3 Classes 6-50 51-100 101-150 151-200 201-250 251-300 total Frequency 20 23 5 10 50 Grouped Frequency Distribution 20 15. 10 S O 100.150 200 250 Histogram 300
he federal government is interested in determining whether salary discrimination exists between men and women in the private sector. Suppose a sample of 16 women and 25 men are taken from the population of first-level managers in the private sector. The information is summarized as follows (amounts are in thousands of dollars): Women Men n 16 25 X¯ $26.4 $33.3 S $2.6 $3.2 Test H0 : µ1 = µ2 against H1 : µ1 = µ2 where µ1 and µ2 are the mean salary of first level female and male managers, respectively. Use α = 0.05 and assume equal variances. Test statistic = −2.68 and reject H0 Test statistic = −7.22 and reject H0 Test statistic = −2.68 and fail to reject H0 Test statistic = −7.22 and fail to reject H0
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If two large random samples are drawn from two populations, each having a mean of $100, the relevant sampling distribution of their difference has a mean of a. 200 b. The Sum of the 2 Sample Means C. 0 D. The difference between the two sample means.

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