SAS/Graph Gchart Bar Chart Jll. 11 12 13 14 15 16 Age 3.8 4 12 13 13.3 13.5 The mean age is The mode age is The median age is How many people are at least 15 years old?
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- Find the positive geometric mean between 4 and 64.A poll asked adults which activities they had engaged in during the past month. The results are listed below. Is it reasonable to conclude that 60.8% of those polled had seen a movie or gone to a sporting event during the past month? A. No, because these categories overlap. B. No, because the percentages in relative frequencies tables can never be added. C. Yes, because the percentages can always be added in relative frequency tables. D. Yes, because these categories do not overlap. E. No, because the poll is not based on a large enough number of individuals.The question of whether Friday the 13th is an unusually unlucky day or whether this idea is just superstition was evaluated. Researchers in the United Kingdom examined the relation between (a) numbers of traffic accidents on past Friday the 13ths versus (b) numbers of accidents occurring onFriday the 6ths (all between July 1990 and November 1992).Friday the 6th Friday the 13th139,246 138,548134,012 132,908137,055 136,018133,732 131,843123,552 121,641121,139 118,723128,293 125,532124,631 120,249124,609 122,770117,584 117,263 What is the sample size? Select a statistical procedure for this scenario. Correlation, paired sample t-test, or two sample t-test
- The question of whether Friday the 13th is an unusually unlucky day or whether this idea is justsuperstition was evaluated. Researchers in the United Kingdom examined the relation between (a)numbers of traffic accidents on past Friday the 13ths versus (b) numbers of accidents occurring onFriday the 6ths. (all between July 1990 and November 1992).Friday the 6th Friday the 13th139,246 138,548134,012 132,908137,055 136,018133,732 131,843123,552 121,641121,139 118,723128,293 125,532124,631 120,249124,609 122,770117,584 117,263 Indicate the null hypothesis and the alternative hypothesis and state your understanding what the hypotheses mean.The question of whether Friday the 13th is an unusually unlucky day or whether this idea is justsuperstition was evaluated. Researchers in the United Kingdom examined the relation between (a)numbers of traffic accidents on past Friday the 13ths versus (b) numbers of accidents occurring onFriday the 6ths. (all between July 1990 and November 1992).Friday the 6th Friday the 13th139,246 138,548134,012 132,908137,055 136,018133,732 131,843123,552 121,641121,139 118,723128,293 125,532124,631 120,249124,609 122,770117,584 117,263 Indicate the null hypothesis and the alternative hypothesis and state your understanding what the hypotheses mean. ( If you could make the handwritting readable that would be great)Calculate the relative frequency P(E) using the given information. Three hundred adults are polled, and 180 of them support universal health-care coverage. E is the event that an adult supports univer
- Calculate the relative frequency P(E) using the given information. Seven hundred adults are polled, and 490 of them support universal health-care coverage. E is the event that an adult supports universal health-care coverage. HINT [See Example 1.] P(E) =Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100 students. Find the mean of X (Round to 2 decimal places)The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 87.6 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to the right. Complete parts (a) and (b) below.