The chart below shows the grade distribution on a quiz in one of my classes. If there are 34 students in the class, how many students scored an "A A= 21% B=44% C= 23% D= 9%

Q: Use the data in the table below to complete the exercise. Round off your answers to a tenth of a…

A:

Q: Given these stats how many students scored a 65 or lower?

A: given: mean =68.3          standard deviation = 21.1 let x be the score of the students to find…

Q: Which of these statistics best describes the relationship in this scatterplot?   Group of answer…

A: From the given scattered plot we find the correlation coefficient r.

Q: The distribution of cholesterol levels in teenage boys is approximately normal with mean 170 and…

A: Obtain the expected number of teenager boys to have cholesterol levels between 170 and 225. The…

Q: Marisol randomly surveyed 75 classmates to determine what grade they received in their mathematics…

A:

Q: If the distribution is approximately mound-shaped, what is the proportion less than 80.12 ? 15

A: Find the value of z using mean and standard deviation.

Q: On a hockey team, there are 14 players. The captain of the team scored on the team, and less than…

A: Given : There are 14 players Captain of the team scored 35 goals last year, which is more than 10…

Q: Which of these would be considered a transformed score? a. percentile ranks and t scores b. z scores…

A: Transformed scores are those scores that have been converted from raw scores to meaningful score…

Q: What’s the percentage for the frequencies?

A: We have convert data in proportikn and percentages

Q: If I tell you that you scored at the 85th percentile know:

A: Here use definition of percentile  Percentile represents the how much data below or at that value…

Q: The table displays the scores of students on a recent exam. Find the mean of the scores to the…

A:

Q: The IQ scores of the five members of the Duluth family are 100,82,104,96,118. For this distribution…

A:

Q: The scores for assessments are displayed in the box-and-whiskers plot below. What is the range of…

A: First we understand the box plot by observing below box plot-

Q: Below is a reference to the values ​​of the cure after 4 weeks of treatment. What is called the…

A: Boxplot: Boxplot useful to know the variation between data points. The major advantage of the…

Q: Risa is studying dating behavior in college students. She asks students as her school how many…

A: Risa is studying dating behavior in college students. She asks students as her school how many…

Q: The table summarizes the blood group and Rh type for 100 people. a. How many of the subjects were…

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

Q: The frequency table below shows the number of cars owned by students. What percentage of the…

A:

Q: Angela took a general aptitude test and scored in the 85th percentile for aptitude in accounting.…

A: A percentile can be defined as the value below which a certain percentage of values fall for a set…

Q: Approval ratings for the Georgia Senator Steve Gooch were found to be 62% with a margin of error of…

A: In this question, concept of margin of error is applied. Margin of Error A number calculated from a…

Q: What percentage of all possible observations of the variable lie between 1/4 and 5/8

A: Let us first assume that the total proportion is from 0 to 1. The proportion lying between 1/4 and…

Q: From the data included in the photo can you please help me make: 1. Histogram 2. Box and Whisper…

A: 1) The following procedure is used to construct histogram using Excel software and it is given…

Q: what percentage of the men worked?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 what percentage of the…

Q: Angela took a general aptitude test and scored in the 83rd percentile for aptitude in accounting.…

A: Solution: From the given information, Angela scored in the 83rd percentile for aptitude in…

Q: A teacher wrote this list of values on the board and asked the students to identify the measures of…

A: Mean: Mean=a+3+a+10+a+10+a+10+a+13+a+17+a+17+a+24+a+319          =9a+1359         =a+15 Median:…

Q: Derek wants to know if the geographical area that a student grew up in is associated with whether or…

A: Given Assuming alpha level 5% or 0.05.

Q: product." What percentage of the respondents who disagree are in the 35-54 age group?

A: Here Given  Total number of Respondent=141=N Number of Respondent DIsagree=31=N(D) Number of…

Q: The box plots below represent the math test scores of Amy and Ed for the spring semeste Amy Ed • ++…

A: From given Box-plot: Scores of Amy: Median =81 Maximum =89 Minimum =76 Range =Max-Min=89-76=13 First…

Q: Which of these statistics BEST describes the relationship in this scatterplot?   Group of answer…

A: For association in between the two variable, the scatter plot for them must show an increasing or…

Q: Given the test scores of 40 students below, determine a) the 20* percentile, 30 percentile, and b)…

A: Solution-: We  want to find following from given data (a) the 20th percentile, 30th percentile (b)…

Q: The table shows the English test scores for 6 students. English Test Grades Student 1. Grade 78 92 3…

A: Student Grad 1 78 2 92 3 80 4 95 5 85 6 70

Q: Consider the following data on x = weight (pounds) and y = price (5) for 10 road-

A: Given information: Given data represents the values of the variables X = Weight and Y = Price for a…

Q: The table displays the scores of students on a recent exam. Find the mean of the scores to the…

A:

Q: What is the mean of the data shown in the accompanying table? Scores Frequency () (X) 25 20 11 10 4…

A: Given that, We have to find  Mean of this given data,   As we know, Mean=x=∑fixi∑fi

Q: (a) The kinds of sports teams at the college. Answer: (b) G.P.A of incoming freshmen. Answer: (c)…

A: Categorical variables are those who can be divided in to different groups. The quantitative…

Q: MJ took a sample of 50 pieces of data. She added up all of the pieces of data and then divided by…

A: The objective is to determine which measure of central tendency is used in the given scenario.…

Q: Raymond wants to estimate the percentage of parents that use cloth diapers. He asks a randomly…

A: According to the provided information, Raymond wants to estimate the percentage of parents that use…

Q: The following data show the weights (in pounds) of 20 students in a class. Find the median.

A:

Q: A random sample of students was surveyed and asked to list their grade level and whether or not they…

A:

Q: During the scholarship examination of a certain scholarship grant taken by 10,000 applicants,…

A: Given : Annabelle score (x) =350total number of applicant =10000Number of rank below x =8995

Q: At James Middle School, there are 480 students enrolled in algebra. The chart shows the grade…

A: Given:    Total student = 480      A = 8 , B = 6 , C = 9 , D = 5 , F = 2     Total Algebra grade =…

Q: Three hundred twenty students took a test where the scores are normally distributed. Paul's score…

A:

Q: Determine the question (X) that converts each situation to Yes/No data. a) The proportion of cars…

A: Researchers conduct survey using questionnaire comprising both objective and subjective questions.

Q: The frequency table below shows the number of cars owned by students. What percentage of the…

A:

Q: Use the information below to answer questions 13-15 Tonya surveyed the 8th grade students at her 14.…

A: From the table, we see that the total of the first row is 180 One element is 100 So the other…

Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and…

A:

Q: The box-and-whisker plot below represents the math test scores of 20 students. 60 70 80 90 100 What…

A: Topic: percentage

Q: Suppose in a given problem about the correlation between height and weight of 20 college students,…

A: It was stated that in a given problem about the correlation coefficient between height and weight of…

Q: Use the data to find the value that corresponds to the 40th {2,7,8,1,5,12,9,20,20,9,30,35}…

A:

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.