Giving a test to a group of students, the grades and gender are summarized belowA265 16Total 13 26MaleFemaleNon-binaryB3127 18939CTotal17313078Let represent the percentage of all male students who would receive a grade of B on this test. Use a 90%confidence interval to estimate p to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents).< p <

From the provided information,Total students (n) = 78

Answered: Giving a test to a group of students,…

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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A student organization surveyed both current students and recent graduates to obtain information on the quality of teaching at a particular university. An analysis of the responses provided the following teaching-ability rankings. Professor O Ho: Ps+0 H₂: Ps=0 O Ho: Ps ≤0 Ha: P >0 1 Ho: Ps > 0 H₂: Ps=0 2 Ho: Ps= 0 Ha: Ps * 0 3 4 5 6 7 9 10 Current Students 4 6 8 3 1 2 5 10 7 9 Recent Graduates 6 8 5 1 2 3 7 Do the rankings given by the current students agree with the rankings given by the recent graduates? Compute the rank correlation between current students and recent graduates. (Round your answer to three decimal places.) 9 Use α = 0.10 and test for a significant rank correlation. State the null and alternative hypotheses. O Ho: P₂ ZO Ha: Ps <0 10 4 Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value= What is your conclusion? O Reject Ho. There is not sufficient evidence to conclude…
2. The following data are representing verbal comprehension test scores of males and females. Female: 26 25 24 24 23 23 22 22 21 21 21 20 20 Male: 20 19 18 17 22 21 21 26 26 26 23 23 22 Calculate Five point summery for both males and females separately and plot Box and whisker plot for both data sets (on same graph paper one below the other). Observe your result and write conclusion based on result.
4. The following are the scores of the male and female students in Statistics. Determine whether the male students perform better in the subject than the female students. Use 0.05 level of confidence. Males 32 25 44 26 25 37 30 25 65 27 22 15 52 X (g) Y (cm) X (g) Y (cm) 155 28 150 28 139 25 138 26 100 20 153 29 145 27 143 27 121 23 114 21 128 20 130 25 143 28 125 21 Females 5. The researcher wishes to find out the relationship between the weight and the length of fish cultured at the fishpond using bread meal as supplemental feed. Is there a significant degree of relationship between the weight and length of the fish? Use 0.05 level of confidence and answer the ff: 1. How much is the weight if it measures 30 cm? 2. How long is the fish if it weighs 120 g?
need help with questions number 3
A sociologist is interested in studying the relationship between education and crime. She randomly selects 332 people and asks them their education level and whether or not they have ever been convicted of a felony. Is there evidence that education level and crime are dependent? Education Level No Felony Conviction Felony Conviction Total Less than 99 years 95 12 107 99 years - 1212 years 86 11 97 1212 years - 1616 years 59 7 66 16+16+ years 56 6 6262 Total 296 36 332 Copy Data Step 4 of 8 : Find the value of the test statistic. Round your answer to three decimal places.
C2. Using the information listed below, explore the educational attainment of GSS 2018 respondents. Frequencies and percentages are reported by sex of respondent. a. Calculate the IQR for both groups. What do the IQRS reveal about the degree of diversity for males and females? b. What is the limitation to applying IQR to ordinal data? Highest Educational Degree Males Females Less than high school 63 80 12.9% 12.7% High school graduate 256 296 52.5% 47.1% Junior college 30 72 6.1% 11.4% Bachelor's degree 90 111 18.4% 17.6% Graduate degree 49 70 10% 11.1% 488 629 Total 100% 100% CHAPTER 4 MEASURES C
Use the table to answer the question. Has a Cell Phone Does Not Have a Cell Phone Totals Has a Computer 44 176 220 Does Not Have a Computer 26 104 130 Totals 70 280 350 The table above gives a summary of survey data asking respondents if they owned a computer or a cell phone. Is there an association between owning a computer and owning a cell phone? Explain, rounding your answer to the nearest whole percent as necessary. There is an association since the conditional relative frequencies of owning a cell phone are 20% for those who own computers and those who do not. There is not an association since the conditional relative frequencies of owning a cell phone are 20% for those who own computers and those who do not. There is not an association since the conditional relative frequency of owning a cell phone is 63% for those who own computers and 37% for those who do not. There is an association since the conditional relative frequency of…
The ANOVA test described shows whether or not there is a a. Relationship b. Preference C. Dependence d. Equality of three or more means e. None of these

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