Demonstrate a Frequency Distribution Table for Tampa, Florida, and Columbus, Ohio. Please show work from excel.
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Demonstrate a Frequency Distribution Table for Tampa, Florida, and Columbus, Ohio. Please show work from excel.
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- A researcher wanted to know if an individual’s reaction of the election was impacted by their political party and religious beliefs. Test to see if religious belief and political affiliation affects election reaction. Democrat Republican Independent Religious 10140714ΣX2 = 541 1117181816ΣX2 = 1314 2121121723ΣX2 = 1844 Non Religious 211310174ΣX2 = 1015 2420251825ΣX2 = 2550 2228292822ΣX2 = 3377A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of reported errors. Memory Location: 1 2 3 4 5 Number of Transactions: 82 100 74 92 102 Number of Reported Errors 11 12 6 9 10 The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the 5 memory locations differ. Which test would be used to properly analyze the data in this experiment? χ2 test for difference among more than two proportions χ2 test of independence McNemar test for the difference among more than two proportions McNemar test for the difference between two proportionsA random survey of enrollment at 10 community colleges across the United States yielded the following figures: 2523; 1707; 5420; 2835; 1129; 5452; 2360; 1448; 2958; and 4110. What is the 99% Error Bound (EBM) of the population mean?
- A random sample of stipends for teaching assistants in economics is listed. Is there sufficientevidence at a = 0.0 level to conclude that the average stipend greater than $15,000?S14.000 $18,000 $12,000 $14,356 $13,185 $13,419 $14.000 $11,981 $17,604 $12,283 $16,338 $15.000To assess the effect of piston ring type and oil type on piston ring wear, three types of piston ring and four types of oil were studied. Three replications of an experiment, in which the number of milligrams of material lost from the ring in four hours of running was measured, were carried out for each of the 12 combinations of oil type and piston ring type. With oil type as the row effect and piston ring type as the column effect, the following sums of squares were observed: SSA = 1.0926, SSB = 0.9340, SSAB = 0.2485, SSE = 1.7034. a) How many degrees of freedom are there for the effect of oil type? b) How many degrees of freedom are there for the effect of piston ring type? c) How many degrees of freedom are there for interactions? d) How many degrees of freedom are there for error? e) Construct an ANOVA table. You may give ranges for the P-values. f) Is the additive model plausible? Provide the value of the test statistic and the P-value. g) Is it plausible that the main effects of…The residents of a housing development for senior citizens have completed a survey whereon they indicated how physically active they are and how many visitors they receive each week. Are these two varibles related for the 10 cases reported below?
- A random sample of stipends of teaching assistants in economics is listed. Is there sufficient evidence at the =α0.05 level to conclude that the average stipend differs from $15,000? The stipends listed (in dollars) are for the academic year. Assume that the population is approximately normally distributed. 12,283 13,185 13,419 14,356 12,000 17,604 11,981 14,000 14,000The tar content in samples of cigar tobacco follows:1.542 1.585 1.532 1.466 1.499 1.6111.622 1.466 1.546 1.494 1.548 1.6261.44 1.608 1.52 1.478 1.542 1.5111.459 1.533 1.532 1.523 1.397 1.4871.598 1.498 1.6 1.504 1.545 1.5581.555 1.712 1.442 1.443 1.699 1.7011.698 1.88 1.11 1.21 1.987 1.39Find the 99% CI on the mean tar content.A research center claims that 30% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 700 adults in that country, 34% say that they would travel into space on a commercial flight if they could afford it. At α=0.01, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below.
- Fifteen fourth-grade students were randomly assigned to three groups to experiment with three different methods of teaching arithmetic. At the end of the semester, the same test was given to all 15 students. The table gives the scores of students in the three groups. Method I Method II Method III 48 55 84 73 85 68 51 70 95 65 69 74 87 90 67 CALCULATE the value of the test statistic FA sample of 12 male and 12 female students were surveyed and the amount spent on food last week were recorded. The results are summarized in the table below. Test for the hypothesis that the weekly amount spent on food of male and female students is the same, at a=0.10. Male Female 623 685 537 629 613 517 588 580 651 658 688 582 526 614 579 528 814 655 878 804 660 549 722 617 a. What are the null and alternative hypotheses?b. What is the critical value? (4 decimal points)c. What is the test statistic? (4 decimal points)e. Reject or accept null hypothesis?Regarding the test of significance for the usefulness of the predictor variables x1, x2, and x3 in predicting y, which of the three sums of squares gures in its calculation?