The following table shows the observed frequencies in a goodness of fit test: Methods First Second Third Suggestions 28 21 11 From the above table calculate the value of Chi square X2 Answer:

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: A variable contains five categories. It is expected that data are uniformly distributed across these…

A: The observed frequencies are given as follows:CategoriesObserved frequencies127230329421524It is…

Q: a) What is the sample size, found at the bottom of the table? 2072 b) What is the point estimate for…

A: Here it is given that, Sample size n= 2072 And point estimate, p^= 51.3% = 0.513

Q: uency. ected at random from the Martian army to train for special undercover hean height of this…

A: Given :Mean :Standard deviation (s): 5.5

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A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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A: Given that Arya gathered a random sample of chips from a popular company and for the data collected,…

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A: a)Given data set for systolic measurements is 120,129,160,98,154,120,118,136,127,119sample…

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A: Chi-square test for multiple proportions compare the difference between the population proportion of…

Q: rust in Internet Information: A survey was taken on how much trust people place in the informatio ey…

A: It is an important part of statistics. It is widely used.

Q: Using SPSS: Input the following raw scores and then calculate the corresponding z scores. 33, 47,…

A: Procedure: Enter the data in a new SPSS window. Click analyze the go to the descriptive statistics.…

Q: Given that the least significant difference is 3.62, separate the following means: I. 75.30 ii.…

A: The least significant difference is the post ANOVA analysis. An ANOVA is a statistical tool used to…

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A:

Q: A B .02 (.03 .07 .05 (.04.08 .20 .51

A:

Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…

A: From the provided information, The proportions of fish are as follow: 30% catfish, 15% bass, 40%…

Q: Draw out a P chart using the following table.  The number of EVs are the defects.   Mean proportion…

A: Provided data:

Q: A sample of two hundred and fifty families showed that ninety one owned at least one car. Find an…

A:

Q: Use Table B to answer the following question. 1. What proportion lies to the left of z=2.64?

A: Given that: Z is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 By…

Q: AP(x) 0.4 0.35- 0.3- 0.25- 0.2 0.15 0.1. 0.05 0246

A: The objective is to determine the shape of the provided histogram based on the nature of…

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A: Correlation explains the strength of association between the two numerical variable. The t test…

Q: c) Find the standardized test statistic z. (Round to two decimal pla II

A:

Q: d) Sketch relative frequency histograms for each dataset below (these are discrete datasets; your…

A: a) here we have given data are 1,2,3,5,5 Based on the data shown above, we can construct the…

Q: If necessary, use the appropriate z-score table to answer the following: a.) What is the area (to…

A: Let Z ve the random variable from normal distribution then we will find the corresponding areas and…

Q: A survey of 100 fatal accidents showed that 39 were alcohol related. Find a point estimate for p,…

A: The objective of this question is to find the point estimate for p, the population proportion of…

Q: Given n = 49, x-bar = 50, s = 7, and H0: µ = 52, what is the computed value for the test statistic?…

A:

Q: A nurse measured the blood pressure of each person who visited her clinic. Following is a frequency…

A: A nurse measured the blood pressure of each person who visited her clinic.The given frequency…

Q: Find the P-value (to 4 decimals) for a x test with d. f. = 20 and STS X = 12.4 if the test is: a.…

A: a. The P-value of χ2-distribution for test statistic 12.40 at 20 degrees of freedom can be obtained…

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A: Solution-: On a Greensboro (PTI) to Atlanta flight, 7% of the 900 passengers were selected for…

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A: A hypothesis test which determine whether the difference between two proportions is significant.…

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A: Given, Attribute  Importance Score 1 55 2 45 3 85 4 30 5 60   Total importance…

Q: The followmg distrioukion has a mean of 5,7 a. Find the value of x. 2. 5. X46 score: froquency: 2.…

A: From the provided information, Score 2 5 x x+6 Frequency 3 2 4 1

Q: P Flag question A survey was undertaken to find out the ages of people (from 10 onwards) visiting an…

A:

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: Handwritten

A:

Q: You want to see if it makes a difference which lane to be in when there is traffic. You randomly…

A:

Q: Find the P-value (to 4 decimals) for a x test with d. f. = 10 and STS x = 13 if the test is: %3D a.…

A: The degrees of freedom are d.f = 10 And the value of test statistic is = 13

Q: we need to calculate an error measurement that gives weight based on each term's relative error, we…

A: we need to calculate an error measurement that gives weight based on each term's relative error, we…

Q: the following table:       Seed A Seed B Seed C Total Germinating 47 10 125 182 Not…

A: Here we can see that the above table of 2 * 3 contingency table. We will use this contingency table…

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (2o…

A:

Q: Given: u=83 and a=6.3 Compute for the z-score in each of the following raw scores. Round to two…

A: Given that, μ=83,σ=6.3 For X-score: 63 The value of z-score is,