When using a Chi-square test, the expected frequency, E, has to be at least 5. State two possible approaches that can be implemented when the expected frequency, E, is less than 5.

Q: A racing car consumes a mean of 107 gallons of gas per race with the variance of 49. If 46 racing…

A: The following information has been provided: The population mean is μ=107. The sample variance is…

Q: e) Consider the information given above. Suppose that the number 10 was observed on 26 occasions out…

A: here given , Consider an thirteen-sided die where it is suspected that the number 10 is more likely…

Q: A preschool teacher wanted to know the mean age of kindergarten students in her town. She took a…

A: The following information has been given: The sample size is n=40. The sample mean is x¯=5. The…

Q: 10. You are studying a mutant mouse that you suspect will exhibit a longer lifespan than wild-type…

A: here given ,  10. You are studying a mutant mouse that you suspect will exhibit a longer lifespan…

Q: (a) Calculate and interpret a 95% (two-sided) confidence interval for true average CO₂ level in the…

A: here given ,  sample size  =  43  sample mean =  654.16  sample standard deviation  =  166.25…

Q: You may need to use the appropriate technology to answer this question. Consider the following…

A:

Q: 5. The correlation coefficient tells us of the: Whether the linear relationship between 2…

A: Correlation

Q: What is the normal duration of the project in weeks? * Activity Contract Preceding Normal Amount…

A:

Q: In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation…

A: Given: Sample size n = 10 Sample mean X = 78.9 Sample standard deviation s = 5.2 Formula Used: X =…

Q: 2. Paul and Stella play a game with three strategies each, T, M, and B for Paul, and L, C, and R for…

A:

Q: 1) A study is conducted involving 10 students to investigate the association between Pre- Calculus…

A: The provided information is  Pre-Calculus (x) Basic-Calculus (y) xy x2 y2 20 20 400 400 400…

Q: For an independent samples t-test, if n1 = 6, n2 = 6, t = 1.49, and your alpha criterion = 0.05…

A: For the t two-tailed test, given, n1 = 6, n2 = 6, t = 1.49 and alpha criterion = 0.05 The p value…

Q: The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking…

A: The hypothesized mean is 13.

Q: 3. Which of the following is the most appropriate graph to compare the distribution of calorie…

A: We have to choose which of the following is the most appropriate graph to compare the distribution…

Q: Scenario 2: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: Sample size ,n=25 mean,x=255ml Standard deviation,s=9ml   H0:The mean content of bottle is equal to…

Q: You roll a six-sided die. A.) What is the probability of getting a number greater than 2? B.) What…

A: Solution

Q: estimate the proportion of people who were caught after being on the 10 most wanted list enter your…

A: Given : Sample Size, n = 334 Number of successes, x = 86

Q: Scores on the MCAT are approximately Normal with a mean of 25 and a standard deviation of 6.5. To…

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: State the null and alternative hypotheses for each of the following situations. (That is, identify…

A: From the provided information, The average time workers spent commuting to work in Verona five years…

Q: Problems 12-17 The table below gives the number of US Senators, from each party, spending federal…

A:

Q: Q4:Choose the correct answer, answer ten only 1. The sampling method is one of the methods of data…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is your conclusion about the following hypotheses of the difference in population means using…

A: Given Data : For Sample 1 x̄1 = 51.9 σ1 =√49 =  7 n1 = 31 For Sample 2…

Q: Number of Tellers (X) P(X) 0.029 0 1 0.049 2 0.078 3 0.155 4 0.212 5 0.262 6 0.215 a. What is the…

A: The varable X denotes the number of tellers.

Q: The following data has mid term marks and end term marks of 9 students. Maximum marks for both…

A: The given dataset is: x y 67 55 59 42 73 80 63 83 89 76 78 67 64 63 28 33 89 58

Q: tensile strength, and interpret the result. (Round your answer to two decimal places.) N Mean Median…

A:

Q: Suppose that we have 1100 90% confidence intervals for a particular population parameter. Which of…

A: The number of confidence intervals is 1100.

Q: A secondry school is offering 3 language classes, one is Engllish, one is French, and one is German,…

A: Given that the there are 3 language classes.  let A = English class  B= French Class and  C= German…

Q: First-class postage is $0.41 for the first ounce (or any fraction thereof) and $0.15 for each…

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Q: ANOVA is a statistical method that checks for differences in variance between two or more treatment…

A: It is needed to discuss about ANOVA.

Q: he mean per capital income is $24653 per annuum what they or anyone with a standard deviation of…

A: Given data: Mean = $24653 per annuum Standard deviation = $ 778 per annuum Sample size = 441 persons

Q: be -2.8. Determine the P-value for the test.

A: Here given, Sample size n = 79 Test statistic = -2.8

Q: QUESTION 17 Let's suppose someone flips a fair coin three times. 1. How many outcomes are possible?…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: 5. If there is no correlation, what is the value of r? a. 0 b. -1 c. 1 d. 2 The following are the…

A: Here AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS Here use. Basic of correlation

Q: The accompanying data are the number of wins and the earned run averages (mean number of earned runs…

A: Given : sr.no X Y 1 20 2.76 2 18 3.35 3 17 2.72 4 16 3.77 5 14 3.89 6 12 4.32…

Q: 2) Below is an unidentified table of values: x 78 85 92 100 85 89 93 99 100 84 y 1. What is the key…

A: x 78 85 92 100 85 y 89 93 99 100 84 Mean = ∑ixin Standard Deviation = σ = ∑i(xi-x¯)2n-1 t =…

Q: 2. What are the differences between qualitative and quantitative data analysis?

A: Difference between qualitative and quantitative data analysis

Q: If the probability that student (A) will solve a particular problem is (0.8), the probability that…

A: Given that If the probability that student (A) will solve a particular problem is (0.8), the…

Q: applicants to take the Medical College Admission Test (MCAT). Scores on the MCAT are…

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: A market research firm reported that the mean annual earnings of all family practitioners in the…

A: From the provided information, Sample size (n) = 38 Sample mean (x̄) = 198513 Sample standard…

Q: For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12…

A: The given data is: .

Q: Due to the COVI-D 19 pandemic, many colleges classes have been moved online. The college would like…

A: Givenx=245n=321p^=xn=245321≅0.7632confidence interval=90%

Q: Find the five number summary and draw the box plot for the following 24 10 4 20 40 58 26 39 7 11 100…

A: Solution-: (a) Find five number summary and draw the box plot for  Given data (1) : 24, 10, 4, 20,…

Q: Confidence Interval: You want to find a 93% confidence interval for the true proportion of…

A: Givenpopulation proportion(p)=0.06x=25n=345p^=xn=25345=0.0725Confidence level=93%

Q: The producer of a weight-loss pill advertises that people who use the pill lose, after one week, an…

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Q: g. The treatm nitial weight.

A: oil cereal type weight at harvest  linseed corn 1763 linseed corn 1717 linseed corn 1607…

Q: A sample of 14 joint specimens of a particular type gave a sample mean proportional limit stress of…

A: Given data: Sample size = 14 Mean = 8.41  mpa Sample standard deviation = 0.78 Mpa Confidence level…

Q: Find the equation of the regression line for the given data. Then construct a scatter plot of the…

A: The following information has been provided: Calories (x) Sodium (y) 150 430 180 480 120…

Q: In an independent measures design, what test may we use to discover differences between three or…

A: Friedman's test is the answer.

Q: Q1: The data in the following table are the mathematic degrees of 130 pupil Mathematic degrees 10-19…

A:

Q: A test has power 0.85 when u1=25. True or false: the probability of making a correct decision when…

A: Statisticians determine the power of a statistical test to see how well the test avoids TypeII…