the histogram below. NOTE: The last class actually represents "7 or more items," not just 7 items.

Q: Four students achieve the following grades on their midterm which was out of 20 marks: 4, 4, 4, 20.…

A: The mode is 4 as its is the highest occurring frequency. So it will reflect the accuracy or more…

Q: Approximately 10% of students have a composite score below what level

A: If X is the composite score of the students, then we need to search for a x, such that P[X≤x]=0.1.

Q: Listed in the table below are the selling prices, number of bedrooms, number of full baths, and…

A: From the information, given that Let Y denotes the sale priceLet X1 denotes the number of…

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

A:

Q: Match these values of r with the accompanying scatterplots: 0.738, 1, 1, 0.995, and -0.373. Click…

A: The given correlations are 0.738,1, -1, 0.995,  -0.373

Q: A student earned grades of A, C, B, A, and D. Those courses had these corresponding numbers of…

A:

Q: The average annual salary for 55 statisticians out of 205 statisticians at a search information…

A: Given : The average annual salary for 55 statisticians out of 205 statisticians at a search…

Q: An insurance study of 1000 deaths was done to see the causes of the deaths. The study howed that 432…

A: Pie chart: A pie chart is a graphical representation of the complete population into several slices…

Q: 4) Consider the research question "On average do married users spend less hours per week on the app…

A: The variables given are age, relationship status, follower count, visits, the phone used, and time.…

Q: During one shift, the express lane clerk recorded how many times customers violated the "10 items or…

A:

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…

A: Here, the average college student drinks 12 cups of coffee a week.

Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: Purina Blue Buffalo Border collie 5.35 2.15 Bulldog 3.15 7.70 From the data in the table, does it…

A: *Answer:

Q: survey of college students asked them about the mode of transportation they used to travel to…

A: Given that  240 students drove a car to school, 30 students rode a bike, 50 students took the bus,…

Q: The employee's mistake would have the following effect: The median would stay the sameincrease…

A:

Q: d) Find the cut-off for the top 30% of electricity usage in a 4 person household. e) What is the…

A: Given a Uniform distribution : Lower limit = a = 857 Upper limit = b = 945   d) We need to find x…

Q: From your hotel room, you look down at the street and want to estimate how many taxis are available.…

A: Unbiased estimator is an important concept in estimation.

Q: The last Harry Potter book went on sale at 12:01 a.m. on July 21, 2007. The publisher Scholastic…

A: The portion of a number can be evaluated by multiplying the fraction of the portion required to the…

Q: In January 2019, a small company headquartered in Baltimore needed to track its cost per employee in…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: In a 2018 survey of 10,508 CEOS by PayScale.com, the range of annual salaries reported was from…

A: n1=n2=12α=0.05

Q: Twenty-nine fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A:

Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…

A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…

Q: The Nutria is type of rodent that is considered an invasive species in California. The population of…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: The amounts of power used in an electrical maintenance shop are as follows: April, 41.2…

A:

Q: A communications class surveyed 150 students and found that 115 had seen the movie “Titanic” while…

A: Note:Hi there! Thank you for posting the question. To avoid the plagiarism issues, we have used the…

Q: If five out of every sixteen students prefer to write with pens over pencils, what proportion of…

A: Given that, five out of every sixteen students prefer to write with pens over pencils.The aim is to…

Q: You recently received a job with a company that manufactures an automobile anti theft device. To…

A: State the hypotheses. That is, there is no evidence to conclude that the standard deviation of the…

Q: vendor sells twenty-four sweatshirts for $15 each, fifty-one t-shirts for $10 each, and thirteen…

A:

Q: In his may 17, 2010 OP-ed column in THE NEW YORK TIMES Bob herbert noted that the dropout rate for…

A: In order to check whether the number one is reasonable or not, take the reference from the site to…

Q: Two thousand frequent business travelers were asked which Midwestern city they prefer: Indianapolis,…

A: The frequency table for the given data is shown below: