Elementary Statistics: A Step By Step Approach
9th Edition
ISBN: 9780073534985
Author: Allan Bluman
Publisher: McGraw-Hill Science/Engineering/Math
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Chapter 11, Problem 9CQ
To determine
To find: Which tailed is chi-square goodness of fit test.
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Students have asked these similar questions
Complete a-c
for c do we reject or accept the p-value due to sufficient or insufficient evidence?
Which of the following are the assumptions that must be met when running either chi-square equation?
a.observations must be independent and expected frequencies must be larger than five
b.observations must be independent and data must be normally distributed
c.data must be normally distributed and expected frequencies must be larger than five
d.data must be normally distributed and categories have to be homogenous
the null and alternative hypothesis are given.
h0: p= 0.84
h1: pgreater than .84
determine left, right or two tailed and the parameter that is being tested
Chapter 11 Solutions
Elementary Statistics: A Step By Step Approach
Ch. 11.1 - Skittles Color Distribution MM/Mars, the makers of...Ch. 11.1 - How does the goodness-of-fit test differ from the...Ch. 11.1 - How are the degrees of freedom computed for the...Ch. 11.1 - How are the expected values computed for the...Ch. 11.1 - When the expected frequency is less than 5 for a...Ch. 11.1 - Prob. 5ECh. 11.1 - Prob. 6ECh. 11.1 - Prob. 7ECh. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - For Exercises 5 through 18, perform these steps....
Ch. 11.1 - Prob. 10ECh. 11.1 - Prob. 11ECh. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - Prob. 16ECh. 11.1 - Prob. 17ECh. 11.1 - For Exercises 5 through 18, perform these steps....Ch. 11.1 - Tossing Coins Three coins are tossed 72 times, and...Ch. 11.1 - Prob. 20ECCh. 11.2 - Satellite Dishes in Restricted Areas The Senate is...Ch. 11.2 - Prob. 1ECh. 11.2 - How are the degrees of freedom computed for the...Ch. 11.2 - Generally, how would the null and alternative...Ch. 11.2 - What is the name of the table used in the...Ch. 11.2 - How are the expected values computed for each cell...Ch. 11.2 - How are the null and alternative hypotheses stated...Ch. 11.2 - Prob. 7ECh. 11.2 - Prob. 8ECh. 11.2 - Prob. 9ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 13ECh. 11.2 - Prob. 14ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 17ECh. 11.2 - Prob. 18ECh. 11.2 - Prob. 19ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 21ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 25ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 27ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 29ECh. 11.2 - For Exercises 7 through 31, perform the following...Ch. 11.2 - Prob. 31ECh. 11.2 - Prob. 32ECCh. 11.2 - Prob. 33ECCh. 11.2 - When the chi-square test value is significant and...Ch. 11 - For Exercises 1 through 10, follow these steps. a....Ch. 11 - Prob. 11.1.2RECh. 11 - Prob. 11.1.3RECh. 11 - Prob. 11.1.4RECh. 11 - Prob. 11.2.5RECh. 11 - Prob. 11.2.6RECh. 11 - Prob. 11.2.7RECh. 11 - Prob. 11.2.8RECh. 11 - The Data Bunk is located in Appendix B, or on the...Ch. 11 - Prob. 2DACh. 11 - Prob. 3DACh. 11 - Prob. 1CQCh. 11 - Determine whether each statement is true or false....Ch. 11 - Prob. 3CQCh. 11 - Prob. 4CQCh. 11 - Prob. 5CQCh. 11 - Prob. 6CQCh. 11 - Complete the following statements with the best...Ch. 11 - Prob. 8CQCh. 11 - Prob. 9CQCh. 11 - Prob. 10CQCh. 11 - Prob. 11CQCh. 11 - Prob. 12CQCh. 11 - Prob. 13CQCh. 11 - Prob. 14CQCh. 11 - Prob. 15CQCh. 11 - Prob. 16CQCh. 11 - Prob. 17CQCh. 11 - Prob. 18CQCh. 11 - Prob. 19CQCh. 11 - Prob. 1CTCCh. 11 - Prob. 2CTC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- A supplier claims that the true mean electrical resistance of wiring harnesses of a certain model is 30 ohms. A manufacturer that uses this harness wants to test whether this claim is true. Which of the following is the correct pair of hypotheses to use for this hypothesis test? Pick the right answer below by quoting the numbered point. 1. H0:μ=30 and H1:μ≠30 2. H0:μ⩾30 and H1:μ<30 3. H0:μ⩽30 and H1:μ>30 4. H0:μ≠30 and H1:μ=30 5. H0:μ<30 and H1:μ⩾30 6. H0:μ>30 and H1:μ⩽30arrow_forwardIn a chi square analysis, the larger the difference between expected and observed frequencies, the more likely you are to do what? A. Keep the null hypothesis B. as you have made a statistical error C. Use a t ratio or some other parametric test D. the null hypothesisarrow_forwardIn which of the following situations should the chi-square Test for Goodness-of-Fit be used? Select the correct answer below: An online research company puts out a survey asking people two questions. First, it asks whether they buy groceries online. Second, it asks whether they own a car or not. The data are collected and recorded in a contingency table. The company wants to determine if there is a relationship between buying groceries online and car ownership. A researcher is trying to determine if the amount of time children spend watching television has the same distribution for boys and for girls. She surveys a random sample of families and records the distribution of time spent watching television for each gender. She wants to determine if the distributions are the same. A professor is trying to decide if her students randomly guessed on a certain multiple choice question or if they had some idea of the correct answer. She records the number of students that…arrow_forward
- Formulate the null and alternate hypotheses for the following situations. (That is, identify the correct number ?0 and write ?0: ? = ?0 and the appropriate analogous expression for ?1). - A statistics instructor believes that less than 20% of the students attended the opening function of a film. He surveys 84 of his students and finds that 11 attended the function.arrow_forwardWhich of the following statements is true? A. If a sample has 16 observations and a 90% confidence estimate for μ is needed, the appropriate t-score is 1.753. B. If a sample has 16 observations and a 99% confidence estimate for μ is needed, the appropriate t-score is 2.602. C. If a sample has 20 observations and a 95% confidence estimate for μ is needed, the appropriate t-score is 1.729. D. If a sample has 20 observations and a 98% confidence estimate for μ is needed, the appropriate t-score is 2.093.arrow_forward15. For each of the following examples, state whether the chi-square goodness-of-fit or the chi-square test for independence is appropriate. 15d. A public health employee evaluates the proportion of lean, healthy, overweight, and obese students at a local college. A. goodness of fit test B. test for independencearrow_forward
- Which of the following statements is true about chi-square tests? A. A large chi-square test statistic results in a large p-value. B. A large p-value means that there is a good chance that the relationship is statistically significant. C. If the two variables are not related in the population, then less than 5% of the samples you could ever take would give you a test statistic of 3.84 or larger. D. All of the above.arrow_forwardState the null and alternative hypothesis of the following: 1. The IQ of Harvard students is not 175. Identify whether the following uses a one-tailed or two-tailed test: why? a) The average height of students under the program BS Chemical Engineeriny is greter than 165 cm. b) The IQ of Harvard students is not 175. 2.arrow_forwardFor each of the following statements, formulate the null and alternative hypothesis. Indicate whether the appropriate test will be one tail or two tail. Finally, sketch a diagram that shows the appropriate location of the “rejection” region(s) for the test. “The average GMAT score for MBA students is at least 750.” “The average worker misses an average of three days of work every month.” “The average cost of the course books is no more than $120.”arrow_forward
- Q1. An anthropologist wants to collect data to determine whether the two different cultural groups that occupy an isolated Pacific Island grow to be different heights. The results of his samples of the heights of adult females are as follows Do these samples constitute enough evidence to reject the null hypothesis that the heights of the two groups the same? Set alpha to .05.arrow_forwardWhich of the following would produce a standard error of 2 points? Group of answer choices n = 100 scores from a population with σ = 10 n = 5 scores from a population with σ = 20 n = 100 scores from a population with σ = 20 n = 5 scores from a population with σ = 10arrow_forwardWhich of the following is always true for a chi-square test for goodness of fit or a test for independence? Question options: a Σfe = Σfo b Σfe = n c Both Σfe = n and Σfe = Σfo d Neither Σfe = n nor Σfe = Σfoarrow_forward
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