A professor of economics at a small university wanted to determine which year in school students were taking his tough economics course. Shown below is a pie chart of the results. What percentage of the class took the course prior to reaching their senior year? O A. 44% B. 86% C. 54% Freshmen 10% Seniors D. 14% 14%

Q: The pie charts below show the percentages of users ofFacebook and users of Twitter that fall into…

A: The pie charts below show the percentages of users of Facebook and users of Twitter that fall into…

Q: The table shows the results of a survey about favorite pizza toppings. Out of 280 people, how many…

A: 126

Q: Given the sample mean, frequency and probability. Find the number 4 and 5 in the second picture.

A: Given Information: Population consists of 2, 6, 8, 0, 1 Sampling distribution of sample means:…

Q: A survey of 480 households in a certain area yielded this data concerning their housing situation.…

A: Percent of rent apartment is:  177480×100=36.875%                =37%

Q: Since 1966, 45% of the No. 1 draft picks in the National Basketball AsSociation have been centers.…

A: Given: Since 1996, 45% of the No. 1 draft picks in the National Basketball Association(NBA) have…

Q: Samir's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 36 caffeinated teas…

A: Given : The tea shop served 36 caffeinated teas and 54 decaffeinated teas.

Q: )How many plants have heights between 10 and 25 inches? b) How many plants have heights more than 15…

A: a)How many plants have heights between 10 and 25 inches? plants have heights between 10 and 25…

Q: a. Capture both datasets, thereafter, b. Compute percent frequencies in both data sets c. Generate a…

A: Percent frequency= Relative frequency * 100 A pie chart is a pictorial representation, where slices…

Q: Which of the subtraction model describes the following question? Maria needs 15 balloons for a…

A: Maria has 12 balloons and she needs 15 balloons for a balloon bouquet.

Q: All freshmen at Roseville High School are required to play exactly one sport. The table below shows…

A: Solution

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

A:

Q: In an experiment, college students were given either four quarters or a $1 bill and they could…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: 13. Andi wants to know if there is a difference in income if he is studying and not attending…

A: Calculate the Sample means and Standard deviations for two groups

Q: A group of UMAK employees decided to have their lunch in the admin building, the following meals…

A: Given  2 servings of 140 3 servings of 125 2 servings of 150 1 serving of 175 2 servings of 200 3…

Q: You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the…

A: A sample is a sub part of population and it is selected randomly such that it is representative of…

Q: The following pie chart shows the McCreedy's household expenditure, broken down into categories,…

A:

Q: medincome was $64,101 in Madison, Wisconsin, and $42,087 in Milwaukee. In 2020, the median household…

A: In 2019,  med income was $64,101 in Madison and $42,087 in Milwaukee. In 2020, the median household…

Q: Find the median in the classified data (k=5)  A) 57,3  B) 123,8  C) 225,1  D) 329,7  E)…

A: Given, n=20 (sample size) Median=(n+1)/2=21/2=10.5th observation, i.e. average of 10th and 11th…

Q: The Social Security Administration announced the following rates to explain what percent of your…

A:

Q: If N= 36,500 and n = 387, what is the proportion?

A: Proportion is defined as the ratio of two similar quantities. Here, the proportion is defined as the…

Q: The students of a certain college were asked to choose which of six movie genres was their favorite.…

A: Solution: From the given pie chart it can be observed that 20% of the students chose historical, 7%…

Q: What percent of the schools have an acceptance rate below 15%? O a) 1% O b) 4% 12% O d) 16%

A: The number of values corresponding to a class or observation is defined as the frequency of that…

Q: In a recent phone survey, people were asked to state their favorite type of television show. The pie…

A: A pie diagram is an appropriate diagram used for exhibiting the relative sizes of the different…

Q: Which data would be suitable for a pie chart? Multiple Choice   Average starting salary of MBA…

A: Pie chart is a circular statistical graphical tool which is used to show or depict the numerical…

Q: Giving à test to a group of students, the grades and gender are summarized below B. C Total Male 10…

A: Given data: The grades and gender of a group of students is given in the provided contingency table.…

Q: In a Faculty of Information Sciences and Engineering, there are 850 students in department of Media…

A: Total Students , n = 850 + 520 + 430 = 1800   a) For media Science : % age = 850 / 1800 *100 =…

Q: 2. One researcher classified the participants as “good,” “average,” or “poor” readers. This…

A: Given that, A researcher classified the participants as “good,” “average,” or “poor” readers. To…

Q: The numerical summary that is used for categorical data is a proportion. Group of answer choices…

A: It is an important part of statistics.  It has got wide applications in all forms of statistical…

Q: Which of the subtraction model describes the following question? Maria has 12 balloons and Suzy has…

A:

Q: The citizens of a certain community were asked to choose their favorite pet. The pie chart below…

A: A pie chart is a circular statistical graphic, which is divided into slices to illustrate numerical…

Q: ) 26. Use proportion method to determine the nature of association between A and B: 30 20 50 B. 50…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: From the provided information, Confidence level = 95% Margin of error (E) = 4% that is 0.04 Assuming…

Q: The citizens of a certain community were asked to choose their favorite pet. The pie chart below…

A: From the given pie chart, The percentage of Hamsters is 10%. The percentage of fish is 13% The…

Q: A recent poll of 920 Facebook users posed the following question: “Thinking just about your Facebook…

A: According to the given information, it is required to tell the sample space of the given data.…

Q: se the values on the number line to find the sampling error. H 24.69 x= 25.92 24 25 The sampling…

A: Solution: Given information: x= 25.92   Sample mean μ= 24.69    Population mean

Q: n a school, teacher conducted activities for the kids. Use the bar graph to answer the questions.…

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

Q: Given Q3 = 13.01, median = 10.84, and Q1 = 5.06, what is the location of the upper fence for a…

A: Given,Q3=13.01Q2=median=10.84Q1=5.06

Q: The Investment Research Institute reported in its Mutual Fund Fact Book that the number of mutual…

A: Given,         The no.of mutual funds increased         from 5665 in 1999 to 7903 in 2009.

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА

A: From the given boxplots,   The first quartile for CPA is 35. The median value for CPA is 60. The…

Q: A call center has four categories of employees, each paid a particular wage. Manager are paid $25 an…

A: Solution: The Simple Arithmetic Average of the hourly rates is calculated as follows:

Q: This past year, an organization conducted a survey and asked, "What do you think is the ideal number…

A: Given data: Mode: we know that the Mode is the most repeating value  in the data set, or Maximum…

Q: If the proportion of Heads is .25 out of 200 flips, what is the p-value? Round to three places.

A: Given : The proportion of Heads is .25 out of 200 flips.

Q: Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y pays its 62…

A: Given that Company X pays its 50 employees a mean monthly salary of Php19,500; a second company Y…

Q: Use the values on the number line to find the sampling error. x= 4.5 H= 5.37 4.6 5.4 56 5.8 The…

A: Given: X¯=4.5μ=5.37

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: We have, a box truck rental service offers trucks in multiple sizes for people who are moving such…

Q: A survay was taken from students to find out what kind of meal they played the best. Construct a pie…

A: Step-by-step procedure to draw pie chart using Excel: In Excel sheet, enter and select Meal in one…

Q: a) How many guests are represented on the box and whisker plot? b) What percent of days had less…

A: here form given boxplot, using 5 point summary  to answer the question  minimum = 15 Q1  = 30 Q2  =…

Q: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the…

A: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow Total no. of…

Q: 10 20 P(t) 50% 12% 38%

A: