MonitorsChi-square analysis - Goodness of fitIn the laboratory, a genetics student crossed flies with normal long wings to flieswith mutant dumpy wings, which she believed was a recessive trait. In the F₁, allflies had long wings. In the F₂, the following results were obtained:792 long-winged flies- 208 dumpy-winged fliesThe student tested the hypothesis that the dumpy wing is inherited as a recessivetrait by performing x2 analysis of the F₂ data.(a) What ratio did the student hypothesis?(b) Did the x2 analysis support the hypothesis?(c) What do the data suggest about the dumpy mutation?TCL 10 SEDISPLAY GREATNESSCaptions & SubtitlesNotes9DH

This question is related to genetics and the inheritance of a trait in the fruit fly Drosophila…

Answered: Chi-square analysis - Goodness of fit…

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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What would the test statistic and p-value be for this? Thanks!
Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red background were asked to think of creative uses for a brick; other subjects with a blue background were given the same task. Responses were scored by a panel of judges and results from scores of creativity are given in the accompanying table. Higher scores correspond to more creativity. The researchers make the claim that "blue enhances performance on a creative task." Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). background u n x s Blue μ1 36 4.38 0.55 Red μ2 41 3.79 0.84 The test statistic, t, is enter your response here. (Round to two decimal places as needed.) The P-value is enter your response here. (Round to three decimal places as needed.) b. Construct the confidence…
Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red background were asked to think of creative uses for a brick; other subjects with a blue background were given the same task. Responses were scored by a panel of judges and results from scores of creativity are given in the accompanying table. Higher scores correspond to more creativity. The researchers make the claim that "blue enhances performance on a creative task." Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). Click the icon to view the summary statistics. a. Use a 0.01 significance level to test the claim that blue enhances performance on a creative task. What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: H₁ H₂ OC. Ho: H₁ H₂ H₁: H₁ H₂ The test statistic, t, is (Round to two decimal places as needed.) The…
This is my output from SPSS [attatched] and I need to make a results section for it for this study: Single Sample: A cognitive psychologist believes that a particular drug affects short-term memory. The drug is safe, with no side effects. An experiment is conducted in which 8 randomly selected subjects are given the drug and then given a short time to memorize a list of 10 words. The subjects are then tested for retention 15 minutes after the memorization period. The number of words correctly recalled by each subject is as follows: 8,9,10,6,8,7,9,7. Over the past few years, the psychologist has collected a lot of data using this task with similar subjects and has obtained a mean of 6 words correctly recalled (the data were normally distributed). I cannot remember - what I need to do with these outputs to determine statistical significance? and where I need to read to know the effect size? Here is the example results section given by the instructor: A single sample t test was…
Need someone to double check my work.
Two autosomal loci control horn color in unicorns. Pure-breeding gold-horned unicorns were mated to pure-breeding bronze unicorns. The F1 were all silver. The F2 generation consisted of 9 gold, 7 bronze, and 22 silver unicorns. Use these data to hypothesize the type of epistasis that is operating here. Ho: The mode of inheritance for horn color in unicorns is A larger experiment was conducted to test the null hypothesis. The F2 generation in the larger data set consisted of 126 bronze-horned unicorns, 166 gold horned unicorns and 392 silver horned unicorns. Conduct the Chi-square test using the larger data set. Round all expected numbers correctly to three decimal digits. The expected number of Gold Unicorns is The expected number of Silver Unicorns is The expected number of Bronze Unicorns is Rounded to three decimal digits, the calculated chi-square value is The number of degrees of freedom for this test is Rounded to two decimal digits, the critical value is The statistical…
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place is shown in Table 11.55. Conduct a test for homogeneity at a 5% level of significance. French Toast Pancakes Waffles Omelettes Men 47 35 28 53 Women 65 59 55 60
Xu and Garcia (2008)conducted a research study demonstrating that 8-month-old infants appear to recognize which samples are likely to be obtained from a population and which are not. In the study, the infants watched as a sample of n = 5 ping-pong balls was selected from a large box. In one condition, the sample consisted of 1 red ball and 4 white balls. After the sample was selected, the front panel of the box was removed to reveal the contents. In the expected condition, the box contained primarily white balls like the sample, and the infants looked at it for an average of M = 7.5 seconds. In the unexpected condition, the box had primarily red balls, unlike the sample, and the infants looked at it for M = 9.9. The researchers interpreted the results as demonstrating that the infants found the unexpected result surprising and, therefore, more interesting than the expected result. Assuming that the standard error for both means is σM = 1 second, draw a bar graph showing the two sample…
11
Crossing true-breeding purple flowering plants with long pollen grains and a true breeding red-flowered plant with round pollen grains produced F1 with purple flowers and long pollen grains. Self-fertilization of the F1 progeny resulted in the following F2 progeny: Data Phenotype Observed Purple flowers, long pollen grains 286 Purple flowers, round pollen grains 18 Red flowers, long pollen grains 26 Red flowers, round pollen grains 88 Must include all parts necessary for completing this type of statistical test.

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