Use the table of values and the expected frequencies to calculate the residual values and the chi squaretest statistic x.XY ZA7 32 34B8 38 35Expected FrequenciesX YA 7.11 33.182 32.708B 7.89 36.818 36.292Residual Values (Row i and column j)Chi Square Test Statistic(0,,j- E)R(0 – E)²- Σκ.%3DERound all values to 3 decimal placesYThe Chi Square Test StatisticY

We want to find the test statistic χ2(Chi square value)

Answered: Use the table of values and the…

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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X-9, 10, 18, 12, 15, 13, 11, 10, 16 To two decimals places without a leading zero, compute 1. Skew (to 2 decimals) 2. Se Skew (to 2 decimals) 3. Test value 4. Is the distribution normal (yes or no)?
← Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Use a 0.05 significance level to test for a difference between the measurements from the two arms. What can be concluded? Right arm Left arm 148 174 In this example, μg is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the measurement from the right arm minus the measurement from the left arm. What are the null and alternative hypotheses for the hypothesis test? O A. Ho Hd = 0 H₁ Hd #0 OC. Ho Hd #0 H₁-Hd = 0 135 121 137 134 170 190 152 134 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is than…
STATISTICAL ANALYSIS (No long explanation needed. Rate will be given and write the complete solutions.) Choose the correct answer.
9th Grade 10th grade 11th grade 12th grade 6 10 17 15 9 12 8 16 6 11 11 12 7 11 14 12 7 14 15 12 Using the table in the back of the book, find the critical value for F with a standard deviation of .05
Increases decrease or remain the same for the first 4 blanks. not significant or significant for the last blank.
Tree heights: Cherry trees in a certain orchard have heights that are normally distributed with mean u = 114 inches and standard deviation a = 15 inches. Use the TI-84 PLUS calculator to answer the following. Round the answers to at least two decimals. (a) Find the 27" percentile of the tree heights. (b) Find the 85 percentile of the tree heights. (c) Find the third quartile of the tree heights. (d) An agricultural scientist wants to study the tallest 2% of the trees to determine whether they have a certain gene that allows them to grow taller. To do this, she needs to study all the trees above a certain height. What height is this?
Use the table of values and the expected frequencies to calculate the residual values and the chi square test statistic x. XYZ A8 23 46 B 21 13 41 Expected Frequencies Y A 14.691 18.237 44.072 B 14.309 17.763 42.928 Residual Values (Row i and column j) Chi Square Test Statistic (0.j-E) (0 - E) %3D Round all values to 3 decimal places Y The Chi Square Test Statisticx =
This C The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 40 grams. Use the empirical rule to determine the folowing (a) About 99.7% of organs will be between what weights? (b) What percentage of organs weighs between 230 grams and 390 grams? (c) What percentage of organs weighs less than 230 grams or more than 390 grams? (d) What percentage of organs weighs between 270 grams and 430 grams? (a) and grams (Use ascending order.) (b)% (Type an integer or a decimal.) (c) % (Type an integer or a decimal.) (d) % (Type an integer or decimal rounded to two decimal places as needed.) Enter your answer in each of the answer boxes. e Type here to search 近

Compute the range and sample standard deviation for strength of the concrete (in psi). 3920, 4070, 3500, 3100, 2930, 3870, 4070, 4010 The range is S= psi. psi (Round to one decimal place as needed.)
Fast answer please
Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Refer to the accompanying data set. Use a 0.01 significance level to test the claim that women and men have the same mean diastolic blood pressure. E Click the icon to view the data for diastolic blood pressure for men and women. O A. H H=H H: H >2 O B. H H <2 H =2 O P. H H =2 H 2 OC. H: HHz Calculate the test statistic. t= (Round to two decimal places as needed.) Find the P-value. P-value = (Round three decimal places as needed.) Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim. H. There V sufficient evidence to warrant rejection of the claim that women and men have the same mean diastolic blood pressure. Reject nswer(s) Fail to reject Show All a Persuasive Spee.doc a PersuasiveSpch.doc a SamplePPTforP.pptx a Persuasive Spe.docx stv MacBook Air 888 FA esc F1…
A random sample of 90 eighth grade students' scores on a national mathematics assessment test has a mean score of 275. This test result prompts a state school admini exam is more than 270. Assume that the population standard deviation is 31. At a=0.09, is there enough evidence to support the administrator's claim? Complete parts (e (a) Write the claim mathematically and identify Ho and H,. Choose the correct answer below. O A. Ho u2270 (claim) Hp 270 OE Hiu=270 (claim) H> 270 Oc. OD. Ho: u=270 Haiu> 270 (claim) OF (b) Find the standardized test statistic z, and its corresponding area. (Round to two decimal places as needed.) (c) Find the P-value. P-value= (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Reject H.

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