A traveler wanted to know if the prices of hotels are different in the ten cities that he visits the most often. The list of the cities with the corresponding hotel prices for his two favorite hotel chains is in the table below. Test at the 1% level of significance. (Use Hilton prices − Hyatt prices for the difference.) Cities Hyatt Regency prices in dollars Hilton prices in dollars Atlanta 108 169 Boston 357 287 Chicago 208 298 Dallas 209 198 Denver 167 169 Indianapolis 179 214 Los Angeles 179 169 New York City 625 459 Philadelphia 179 159 Washington, DC 245 239   a. State the distribution to use for the test. (Enter your answer in the form z or tdf where df is the degrees of freedom.) b. What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.) c. What is the p-value? (Round your answer to four decimal places.)

Q: In a survey, 150 shoppers were asked whether they have access to a cormputer at horne and if they…

A: Solution: Note: Hello! As you have posted 2 different questions, we are answering the first…

Q: A research report from an independent-measures study states that there are significant differences…

A: a)From the given information, the degrees of freedom treatment is 3.

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A: From the diagram Percent of automobile prefer by child=5 Percent of automobile prefer by teen=25…

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A:

Q: Students at Neilson Middle School are asked if they prefer watching television or listening to the…

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Q: What fraction of survey respondents identified themselves as Republicans? What fraction of survey…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given :

Q: A movie club surveyed 300 high school students. The students were asked how often they go to the…

A: Total number of students = 300. Total number of students who watch drama movie = 129+45= 174. Total…

Q: A group of students were asked how many brothers and/or sisters they had. The following table…

A: Given: Number of brothers and sisters 0 1 2 3 4 Number of responses 31 42 15 9 3 We want to…

Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: There are two ways to draw conclusion about a population.

Q: A study published in 2007 attempted to estimate the proportion of Florida residents who were willing…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…

Q: survey was given to 9090 high school students. They were asked if they preferred fiction or…

A: Given query is to find the percent of students in the survey,  prefer outdoor activities given they…

Q: Researchers asked 200 families whether or not they were homeowners and how many cars they had. Their…

A: We can answer the question from the table of data as below.

Q: Out of 45 students, 29 go on a field trip. Which best represents the percent of the students who do…

A:

Q: In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more…

A:

Q: urvey asked a group of adults and youths if they prefer reading books printed o per or electronic…

A:

Q: In a class of 95 students, the heights of two students were measured and found to be 165 cm. If this…

A:

Q: Americans who believe the government should ensure basic health care is _________% with a margin of…

A:

Q: A restaurant manager is interested in investigating whether the main course ordered and the dessert…

A: Solution-: Given: α=0.01 We have following table:     Food preference     Fish Meat Vegetarian…

Q: As a relative proportion, which survey question showed the MOST difference in the responses given…

A:

Q: The results of a nation wide Gallup poll concerning a person‘s race and their        opinion on the…

A: Giventhe opinion on the death penalty are given below The number of the people opposed to death…

Q: A law enforcement agent believes that 80% of the drivers stopped on Saturday nights for speeding are…

A: The hypothesized proportion is 0.80.

Q: A research report from an independent-measures study states that there are significant differences…

A: From the provided data we have, Degrees of freedom between group = k-1 = 2  Thus, k = 3 Degrees of…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: In a survey, editors of a magazine asked 250 people whether or not they smoke and whether or not…

A: The answer is explained below,

Q: If a child psychologist wanted to determine if there is a relationship between gender of a child and…

A: Chi-square test of independence should be used here.

Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

A:

Q: A research report from an independent-measures study states that there are significant difference…

A: From the provided information, The degree of freedom for treatment (k – 1) = 3 A) The required…

Q: The houses on a city block were thought to be valued at $172,000, $164,000, $142,000, $159,000,…

A:

Q: Two psychologists surveyed 562 children in grades 4, 5 and 6 in elementary schools in Michigan. They…

A: Grades Popular sports Total Boy 120 67 87 274 Girl  151 121 33 305 Total 271 188 120 579

Q: In a survey, 150 shoppers were asked whether they have access to a computer at home and if they have…

A: Here we have to use the concept of percentage.

Q: The City of Windsor Department of Parks and Recreation is planning to build a recreation centre in…

A: The given table shows the percentages of people who expressed interest in various activities.

Q: A medical researcher wants to do a study on the proportion of knee replacement surgeries that result…

A:

Q: A politician is Interested in the proportion of voters in his district that think he is doing a good…

A: Given dataA politician is intrested in the proportion of voters in his district thet thinkhe us…

Q: In a survey, 150 shoppers were asked whether they have access to a computer at horme and if they…

A: Solution: The given table of data is

Q: The director of library services at a college did a survey of types of books (by subject) in the…

A: (a) The claim is that the subject distribution of books in the library fits the distribution of…

Q: The coefficlent of varlation for the following data is 60, 47, 75, 85, 58

A: The coefficient of variation is a statistical measure of the dispersion of data points in a data…

Q: A research report from an independent-measures study states that there are significant differences…

A: The degrees of freedoms are 2 and 36.

Q: In a set of 22 scores in statistics, the highest and the lowest scores were found to 89 and 25…

A: Measure of central tendency measures the central or average value of a dataset. Mean, median and…

Q: The following table shows the results of a poll of whether 90 local students eat breakfast before…

A:

Q: A group of 300 middle school students were asked whether they prefer playing video garnes or…

A: total number of students=300

Q: et's say scientists studied 880 people to determine the effects of a cholera vaccine, and the…

A: Given: 880 people  were studied to determined effecf cholera

Q: A large group of college students was surveyed and the following information was obtained: 712 saw…

A: Let A is represented by Lady Gaga. B is represented by Arcade fire. And C s represented by Skrillex.…

Q: When a researcher changes their data analyses to get the p-value they desire, that is known as  a.…

A: The p-value is the probability calculated to find evidence against the null hypothesis, assuming the…

Q: If the proportion of Hs is .25 out of 200 flips, what is the p-value? Round

A: Here proportion of head in fair coin should be 0.5 So take hypothesis with proportion p is 0.5 or…

Q: A random sample of 40 students from each grade level was surveyed regarding their preference for a…

A: I have given an answer in step 2.

Q: A study published in 1990 attempted to estimate the proportion of Florida residents who were willing…

A: Population:   It is nothing but the set of all items that are required for the specific study is…

Q: Find the percentage of scores of the following

A: Given,μ=0s=1

Q: According to the Business and Financial Times newspaper, through January 25, 2018, majority of…

A: Given that there are 162 companies. The number of companies showed beat estimates is 104. The number…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.