A consumer advocate decided to investigate the average wait time for a table for one at two local restaurants. Eighteen customers were sent to each restaurant at randomly selected times and the time they waited for a table was recorded in minutes. Is there a difference in the average wait time for the two restaurants? Use a significance level of ? = 0.05. Restaurant A: 10 15 7 9 20 5 15 5 7 0 10 12 19 6 0 5 22 18 Restaurant B:12 17 5 12 8 2 10 25 6 35 10 14 9 22 20 18 5 13 a) What is the test statistics and p-value? b) Find a 95% confidence interval for the difference in the wait time between Restaurant A and Restaurant B.

Q: Many people now turn to the internet to get information on health-related topics. A research article…

A: Given that:   Wikipedia WebMD Mean 26.1 43.2 Standard deviation 14.2 19.7 Sample size 40 40…

Q: to 100 3. Eating Out A restaurant association says the typical household in the United States spends…

A: Given that  Let X denotes the a restaurant association that typical household in the United States…

Q: Let µi =the true mean score for all students like these receiving the intervention and u2 = the true…

A: Box plot also known as box and whisker diagram is a standardized way of representing the data…

Q: A research group surveyed individuals from 3 different income classes and asked them their daily…

A: The null and alternative hypothesis is as follows: Null hypothesis: H0:µ1 = µ2 = µ3 Alternative…

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The…

A: Given information: The descriptive statistics of the monthly sales of two models Hyundai and Toyota…

Q: An occupational therapist (OT) is comparing two different treatments to see which is more effective…

A: we have two groups one consisting of participants A, B, C, D and the other treatment is on…

Q: Of 4105 students enrolled in Mineral County public schools (WV) in the academic year 2016-2017,…

A: We have to find type of statistics.

Q: ould like to know whether there is a consistent, predictable relationship between verbal skills and…

A: Given, Observed  frequency  (O)  Table : Applying a  chi-square  test  for independence,

Q: A teacher found that the mean number of hours her 12 students spent studying for an AP Statistics…

A: old mean for 12 students = 6.7 sum of 12 students = 6.7*12 = 80.4

Q: Ms. Young asked her 24 students how many books each had read last summer. The smallest response was…

A: The objective of the question is to understand the central tendency and spread of the data set, and…

Q: Professor X had the 22 students in his 10 A.M. Introduction to Marketing rate his performance as…

A: Given: The data given is shown below Excellent Good Fair Poor 94 75 70 68 90 68 73 70 85…

Q: the 2013 NAEP sample of Michigan twelfth-graders, the mean mathematics scores were 152 for female…

A: Solution

Q: The Coca-Cola Company reported that the mean per capita annual sales of its beverages in the United…

A: Mean(x)=460.4 standard deviation(s)=101.9 sample size(n)=36

Q: Find a set of 5 items that has a range of 9, a mean of 15, a median of 14, and a mode of 11

A:

Q: Many people now turn to the internet to get information on health related topics. A research article…

A: Given information:

Q: Find a set of 5 items in a data set that have a range of 9, a mean of 11, a median of 12, and a mode…

A: We have to Find a set of 5 items in a data set that have a range of 9, a mean of 11, a median of 12,…

Q: John Molnar will graduate from Carolina Forest High School this year. He took the American College…

A: The given data is, The mean score for all students taking the exam is 18.3. Only 2% of the students…

Q: According to the American Psychological Association, married adults tend to be happier than single…

A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: Is there a difference in the mean satisfaction level among the four airlines? Use the .05…

A: The following table is obtained:   Group 1 = Air Waves Group 2 = Belle Air Group 3 = Cirrus…

Q: The mean salary for the 40 workers in company A is $97 per week, whereas in company B the mean…

A:

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle.  The…

A: We know that SE Mean=STD DevN Then in case of Hyundai 1.34=*23⇒*=6.4264 For Toyota **=9.527=1.8283

Q: A sociologist is interested in the relation between ?, the number of job changes and ?, the annual…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: An educator want to determine whether early exposure to school affect IQ. He enlists the aid of…

A: We set up the, Null Hypothesis(H0):μx=μy , there is no diffrence between the mean IQ of children who…

Q: 5. For 2019, the mean fare to fly from Los Angeles to Miami was $250 on Aero Lindvallia. In December…

A:

Q: For one study, researchers sampled over 100,000 first-time candidates for the certified public…

A: Here in a one study, researchers sampled over 100,000 first-time candidates for the certified public…

Q: Many students hate mathematics as a subject. An educationist took a random sample of 401 students,…

A:

Q: State the appropriate null and alternative hypotheses. ⒸHg: H₁ H₂ = 0 Hoi H₂-H₂0 H₂H₂H₂ = 0 Hot H₁…

A: It is given thatX1¯=26.3,s1=14.3,n1=40X2¯=43.3,s2=19.6,n2=40

Q: We wish to determine whether there is a relationship between the gender of a teenager and their…

A: Null hypothesis: H0: There is no relationship between the gender of teenagers and the preferred…

Q: a. How many individuals are described in this table? b. How many females were among the respondents?…

A: As per guidelines I have calculated first 3 subparts kindly REPOST for remaining parts.  The…

Q: The Buffalo distributor wants to find out whether there is a difference in the mean sales for cola…

A: Given: A buffalo, your cola distributor is featuring a super special sale on 12 packs. She wonders…

Q: people now turn to the internet to get information on health-related topics. A research article used…

A: According to the given information in this question, we need to answer all the parts

Q: The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students'…

A: Given Information: The mean score for U.S college students is about 115. Sample size n=45 Sample…

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Researchers wondered whether the size of a person's brain was related to the individual's mental…

A: Given: n = 3 Formula Used: r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2

Q: he Computer Anxiety Rating Scale (CARS) measures an individual’s level of computer anxiety, on a…

A: Given the ANOVA table as Source of Variation SS d f MS F-ratio F-critical Between groups 3172 5…

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given:  The number of students and mean scores for the three schools are:                  School 1…

Q: A retail store started a new inventory system on January 1, 2019. The loss prevention manager…

A: the number of units that were missing from each month's inventory in 2018 with the number of units…

Q: 10- Daily hours of television EN 20 Relative frequency (%)

A: From the histogram it can be seen that the markers are put after every 2%.    The percentage of…

Q: Part D: How did the absence of the type of students who skipped this question affect the average…

A: The average of a data is given by: x=x1+x2+...+xnn. So, the numerator is the sum of all the…

Q: A local park district is planning to build a recreation center. The park district conducted a poll…

A: Introduction: We need to determine if it is reasonable to assume that 62% of the respondents…

Q: b. Compute the value of the test statistic (to 2 decimals). c. What is the p-value? Use z-table. The…

A: Given, Consultant A Consultant B n1 = 16 n2 = 10 x-1=6.82 x-2=6.25 s1 = 0.6 s2 = 0.81