An experiment was conducted in which two fair dice were thrown 100 times. The sum of the dice wasthen recorded. The following frequency histogram gives the results.Sum of Two Dice252050 -2 35 6 7 8 9 10 11 12Value of Dice(a) What was the most outcome of the experiment?Blank 1(b) What was the least frequent? Blank 2(c) How many times did we observe a 7? Blank 3(d) Determine the percentage of time a 7 was observed. Blank 4(e) Describe the shape of the distribution (skewed left, skewed right, bell-shaped) Blank 5Blank 1Add your answerBlank 2Add your answerBlank 3Add your answerBlank 4Add your answertes remainingFrequency

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Answered: An experiment was conducted in which…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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You are given the following data of an engineering experiment: a) Construct a frequency Table in which the data is arranged in an ascending order. b) Calculate : 1. The mean. 2. The median. 3. The mode. The range. (2 decimal places) 302.2 407.5 409.3 413.0 412.5 603.5 601.3 508.8 302.1 302.1 505.1 505.1 604.6 413.2 302.2 302.1 405.6 405.6 303.2 401.2 402.3 603.6 601.3 603.6 506.7 302.1 408.4 410.6 302.2 603.4 604.6 604.6 505.1 302.1 406.7 411.7 801.0 604.6 603.6 509.7 303.2 601.3 303.2 505.1 601.3 702.2 801.0 413.3
A random sample of 1756 Texas government employees were selected for a study on race. The table below shows the results of the survey. Observed Frequencies of Race from the Sample Outcome Observed Frequency White 720 Hispanic 755 Black 158 Other 123 The racial distribution for the state of Texas is shown in the second column below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Race Outcome Expected Percent Expected Frequency White 42 Hispanic 40 Black 10 Other 8
An article compared five different methods for teaching descriptive statistics. The five methods were traditional lecture and discussion, programmed textbook instruction, programmed text with lectures computer instruction, and computer instruction with lectures. 60 students were randomly assigned, 12 to each method. After completing the course, students took a 1-hour exam. We are interested in finding out if the average test scores are different for the different teaching methods. The p-value of the test is 0.0372. What is the conclusion of the test if the level of significance is αα=0.10? There is enough evidence to conclude that all five group means are significantly different from each other. There is not enough evidence to conclude that all five group means are sigificantly different from one another. There is enough evidence to conclude that at least one group mean is significantly different from others. There is not enough evidence to conclude that at least one…
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A marketer is examining the effectiveness of color scheme on the willingness to subscribe to a user's social media account. She creates three different profiles using three different color schemes: red, blue, and green. Twenty participants are asked to evaluate how much they like each of the profiles using a scale of 1 (do not like) to 5 (like a lot). What statistical procedure should you use to analyze these data? O independent groups t test O correlated groups t test O One Way Between Subjects ANOVA O One Way Repeated Measures ANOVA
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The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender: Opinion Female Male Almost no chance 120 94 Some chance but probably not 156 178 A 50-50 chance 427 498 A good chance 750 700 Almost certain 1176 770 How many individuals are described in this table? How many females were among the respondents? The percent of females among the respondents was about %. Your percent from the previous exercise is part of the marginal distribution of opinion about marriage. the conditional distribution of sex among adolescents with a given opinion. the marginal distribution of sex. What percent of females thought that they were almost certain to be married in the next 10 years?% Your percent from the previous exercise is part of the conditional distribution of sex among…
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