It is hypothesized that when homing pigeons are disoriented in a certain manner, they will exhibit no preference for any direction of flight after takeoff (so that the direction X should be uniformly distributed on the interval from 0° to 360°). To test this,120 pigeons are disoriented, let loose, and the direction of flight of each is recorded; the resulting data follows. Use the chi-squared test at level 0.10 to see whether the data supports the hypothesis.Direction0-c45°45-<90°90-<135° 135-<180°Frequency11171615Direction| 180-<225° 225-<270° 270-<315° 315-<360°Frequency13201711A USE SALTState the appropriate hypotheses.O Ho: P: = P2 = ... = Pa = 0.125H: no p = 0.125O Ho: P. * P2 * ... * Pa + 0.125H: at least one p; = 0.125O Ho: P1 = P2 = .. = Pg = 0.125Ha: at least one p, 0.125O Ho: P1 * P2 * ...* Pa* 0.125Hai all p/'s = 0.125Calculate the test statistic. (Round your answer to two decimal places.)x? = (What can be said about the P-value for the test?O P-value < 0.005O 0.005 < P-value < 0.01O 0.01 < P-value < 0.025O 0.025 < P-value < 0.05O 0.05 < P-value < 0.10O P-value > 0.10

Answered: It is hypothesized that when homing…

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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Section 10.3 Question #6 Listed below are altitudes (thousands of feet) and outside air temperatures (°F) recorded during a flight. Find the (a) explained variation, (b) unexplained variation, and (c) indicated prediction interval. There is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when making predictions. For the prediction interval, use a 95% confidence level with the altitude of 6327 ft (or 6.327 thousand feet). Altitude 4 11 14 20 28 31 34 Temperature 55 39 26 −2 −34 −41 −59 a. Find the explained variation. ______________ (Round to two decimal places as needed.) b. Find the unexplained variation. _______________ (Round to five decimal places as needed.) c. Find the indicated prediction interval. _____________°F < y < ____________ °F (Round to four decimal places as needed.)
Use the data corresponding to measurements of brain volume (measured in cm3 )and IQ. Based on the data, could we say that the correlation between these 2 variables is different from 0? (The question refers to the correlation on the population, ie. perform a hypothesis test with alpha=0.05) Data: IQ VOL 96 1005 89 963 87 1035 87 1027 101 1281 103 1272 103 1051 96 1079 127 1034 126 1070 101 1173 96 1079 93 1067 88 1104 94 1347 85 1439 97 1029 114 1100 113 1204 124 1160
12
A researcher wants to make an equation that will predict a person's support for domestic surveillance from a variety of demographic characteristics (e.g., age, income). What method will they use? A) Multiple regression B) Correlation C) Two-factor ANOVA D) One-sample t-test
#23). Need help solving problem.
Travis does research with a marine biology research team. His job is to catch lobsters, weigh them, tag them, and return them to the water. Over the years, the team has determined that the average weight in pounds of the lobsters caught at a particular location was µ = 2.1 lbs. with a σ of 1.8 lbs. As part of an annual survey, Travis catches 27 lobsters with a mean of 3.1 lbs. Is he correct in assuming that the lobsters he caught are significantly heavier that those usually found in that location? Please use α = .05 and a two-tailed test.
Answer G
Question 2 Light shop wants to inspect purchasing units. 6 bulbs is choosen from 20 units. Of the 20 there were 6 defective units. Use hypergeometric to find the variance of defective units (answer to three decimal places) hp HEWL ETT PACKARD
Alligators have shown the ability to determine the direction of an airborne sound. But can they locate underwater sounds? This was the subject of a study. Alligators were monitored for movement toward a sound produced from a submerged diving bell. Movements within a 180° arc of the direction toward the sound were scored as movements toward the sound; all movements in other directions were scored as movements away from the sound. Consequently, the researchers assumed that the proportion of movements toward the sound expected by chance is 180°/360° = 0.5. In a sample of n= 50 alligators, 29 moved toward the underwater sound. Complete parts a through e below. a. Give the null and alternative hypotheses for testing whether the true proportion of alligators that move toward the underwater sound is higher than expected by chance. Let p be the true proportion of alligators that move toward the underwater sound. Choose the correct answer below. O A. Ho: p>0.50 vs. Ha: p= 0.50. O B. Ho: p= 0.50…
Solve the following problems based on the step-by-step procedure of the Non-Parametric Tests. Show complete solutions and answer. When nicotine is absorbed by the body, cotinine is produced. A measurement of cotinine in the body is therefore a good indicator of how much a person smokes. Listed below are the reported numbers of cigarettes smoked per day and the measured amounts of nicotine (in ng/ml). Is there a significant correlation at alpha = 0.05? x (cigarettes/day) 60 10 4 15 10 1 20 8 7 10 10 20 y (cotinine) 179 283 75.6 174 209 9.51 350 1.85 43.4 25.1 408 344
A researcher tested the relationship between gender and support for assisted suicide (“death with dignity”) and found a Cramer’s V of 0.45. This relationship is strong weak positive significant but not important
Question 2 Find the line of best fit for the data set: (1,2), (2,3), (4,1). y = 3 – x Oy = 2 - Oy = 3 –z Oy =2-z

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