Model the following data with a power formula. х 4 9. У 8 64 125 216 729 You should be able to do this exercise quickly and easily calculator. (Use x as your variable.) У
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- Consider the following data where "x" represents days starting on April 1,2020 and "y" is the number of cumulative deaths in Massachusetts attributed to Covid 19. 1.) Use the equation to predict the number of cumulative deaths as of June 14, 2020. Answer with a complete sentence "The predicted number of deaths by June 14 isApply the appropriate method to calculate the following:A student would like to know which establishment would allow him to save more money from everyday food costs. He is choosing between AVM or Hollywood Terraces, so he traced his spending in both establishments for 1 school week each, his data is as follows: AVM: 97, 85, 69, 105, 105 HT: 60, 45, 60, 75, 100 Find out if there is a significant difference in his spending between the two food courts.
- A poll of 1085 adult Americans reveals that 54% of the voters surveyed prefer the Democratic candidate for the presidency. At the 0.05 level of significance, test the claim that more than half of all voters prefer the Democrat. What calculator function? p0: ? x: ? After calculating: z: ? p: ?Suppose that the time in minutes, Y , that an insect spends on a plant is exponentiallydistributed such that Y ∼Exp( 1/3)(a) Evaluate P(Y ≤3)(b) Evaluate P(Y > 4)(c) Evaluate P(2 < Y < 6)(d) What is the mean length of time that this insect spends on a plant?A researcher is interested in the relationship between a dolphin's lifespan and the dolphin's location of origin After collecting data and conducting an analyses, the researcher is ready to claim that location of origin significantly affects the length of the lifespan of the dolphin.In the situation above, what is the location of origin? _______________________In the situation above, what is the lifespan of the dolphin? _________________________
- If the data is weight, the z-score for someone who is overweight would be what?? if the data is time spent watching TV, an individual with a z-score of zero would do what?? if the data is an annual salary in the US, and the population is all legally employed people in the US, the z-Score of people who make minimum wage would be what??Researchers wanted to determine whether fence lizards learned to avoid fire ants. To determine this, they gathered lizards from eastern Arkansas (where there were no fire ants), and from southern Alabama (which had been invaded by fire ants). The lizards were then exposed to fire ants, and researchers measured how long (in seconds) it took the lizards to flee. Suppose that mu_I is the average time to flee for a lizard that lives in the invaded areas in Alabama, and mu_U is the average time to flee for a lizard living in the uninvaded areas of Arkansas. When the data is loaded into the correct tool in StatKey, and the "Generate 1000 samples" button is clicked, here is what StatKey generates:- see image. The researchers observed that the lizards from Alabama had an average response time of 32 seconds, and the lizards from Arkansas had an average response time of 44 seconds. Using this, which of the following is closest to the P-value for this hypothesis test? What conclusions can we make…Researchers wanted to determine whether fence lizards learned to avoid fire ants. To determine this, they gathered lizards from eastern Arkansas (where there were no fire ants), and from southern Alabama (which had been invaded by fire ants). The lizards were then exposed to fire ants, and researchers measured how long (in seconds) it took the lizards to flee. Suppose that mu_I is the average time to flee for a lizard that lives in the invaded areas in Alabama, and mu_U is the average time to flee for a lizard living in the uninvaded areas of Arkansas. The researchers are interested in understanding if lizards from invaded areas are faster to flee when exposed to ants. What should they use for their hypotheses? H0:μI−μU= HA:μI−μU What are the hypothesis and null hypothesis answers? And how did you get the hypothesis and null hypothesis without any numbers?
