Activity:A. Written Work No. 2Accor ding to NSCB statistics, the life expectancy of Filipino women is 70.1 years. Suppose arandom sample of 30 women in town B yields a mean of 72.5 years with a population variance of4.76 years, would you say that the life expectancy of the women in town B is greater than theaverage?a. Formulate the null and alternative hypothesis in sentence and in symbolb. Determine what test statistic to useC. Compute the test statistic

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Answered: Activity: A. Written Work No. 2 Accor…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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It the weights of students in U.OJ. are bell-shaped. We take a sample of 4200 students with mean 75 kgs and variance 9 kgs. Find the weight for which 2100 students are smaller? Select one Oa 72 Ob70 O 75
A) What is the mean difference score, MD? (Hint: fill in the difference column using TMS - minus - Sham) a. 4 b. 5 c. 20 d. 4.2 B) What is the sample variance, s2, for the difference scores? a. 7.2 b. -9 c. 8.5 d. 9
please answer question d,e.
Plzz explain a and b
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avilensl ooel (d o ieoqe ent uren (6) t ialoob 8. State Ho and Ha in words and in symbols. Then determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Explain your reasoning. Sketch a normal sampling distribution and shade the area for the P-value. A report claims that lung cancer accounts for 34% of all cancer diagnoses. State the null hypothesis in words and in symbols. bloorte wat (e) The null hypothesis expressed in words is the proportion of cancer diagnoses attributable to lung cancer (1) The null hypothesis is expressed symbolically as Ho: p(2) (Type integers or decimals. Do not round.) State the alternative hypothesis in words and in symbols. The alternative hypothesis expressed in words is the proportion of cancer diagnoses attributable to lung cancer (3) The alternative hypothesis is expressed symbolically as Hg: ine p(4) (Type integers or decimals. Do not round.) The hypothesis test is (5) because the alternative hypothesis contains (6) Sketch a…
Which statement best represents the logic of a one way analysis of variance which also called ANOVA which is also called the F test? A. Under the null, The population means are equal to each other, so any difference in sample means will register as significant difference B. Under the null, at least one mean is different from the others, so if this condition is met with the data, it will register as a significant difference C. Under the null, The means are assumed to be equal; as a result the between group variance will equal the within group variance ; if the calculated SSbetween is sufficiently larger than SSbetween this would suggest the between group variation is larger than within group variation and indicate there is a significant difference amount the means D. Under the null, the means are assumed to be equal, as a result, the within group variance will be larger than the between group variance and this will be revealed by a significant F, which would indicate that the…
What are the population parameters? Pick one: The difference in the sample sizes The difference in the two sample means The mean time spent for all test-takers before and after tutoring The mean time spent for all test-takers before and after tutoring combined Does sufficient or insufficient evidence exist?
1. One sample has n = 4 and a second sample has n = 8. If the pooled variance for the two samples is 24, then what is the estimated standard error for the sample mean difference? a. 9 (incorrect answer) b. 4 c. 3 d. 2
What does the t test for the difference between the means of 2 independent populations assume? A. The sample sizes are equal. B. The sample variances are equal. C. The populations are approximately normal. D. All of the above

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