A lecturer selected 300 students in the college and classified the results of Business Statistics according to gender and level of results. Test whether the level of results is independent of the gender. Use a = 0.01. b) Level of result Gender Fail 35 Pass Good Female 90 40 Male 15 70 50

Q: An employee had accumulated 20 competency credits with the grade with B's, 10 credits with C's, and…

A: make a table as shown  grade grade points credits earned grade point×credit A 4 20 80 B 3 25…

Q: Giving a test to a group of students, the grades and gender are summarized below A C Total Male 2 16…

A: Given,

Q: A survey of 62 men found that 12 have a social media account. Another survey of 57 women found that…

A: Men are taken as group 1. Women are taken as group 2.   Given: n1=62x1=12n2=57x2=40α=0.07

Q: In a survey of 500 human resource professionals, 70% said that the appearance of a resume is very…

A: Use simple formula

Q: Given the following data, Number of patients positive for VDRL is 56. Total number of patients is…

A: We have given that,  Number of patients positive for VDRL (X) = 56 and Total number of patients (N)…

Q: What type of association would you expect in each of the cases below (positive, negative, or none)?…

A: To determine relationship in the given statements.

Q: Angela took a general aptitude test and scored in the 88th percentile for aptitude in accounting.…

A: Given that Angela took a general aptitude test and scored in the 88th percentile for aptitude in…

Q: A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do…

A: We have given that  P(run)=30%=0.30 , P(bike)=20%=0.20 P(run and bike)=12%=0.12 Find P(run or bike)

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

A:

Q: The average number of red blood cells per cubic mm in humans is about 5 million. We'll let μ =…

A: Given: μ= 5000000           σ=500000 we need to find i) the values for the middle 80% people i.e…

Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

Q: An engineering student wants to study the impact of temperature and humidity on yie The following…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Which of the following is a categorical variable ?  -temperature -zip code - number of pets in a…

A: Explanation: Two major types of variable 1- Quantitative variable 2- Categorical variable…

Q: A student wanted to study how many matches came in a box. They recorded the following data. How many…

A:

Q: Carl earned grades of 62, 78, and 89 on four math tests. What is the mean of his grades?

A: The grades earned by Carl are : 62, 78 and 89 The number of grades, n=3 To evaluate : The mean of…

Q: Angela took a general aptitude test and scored in the 86th percentile for aptitude in accounting.…

A: Percentiles:If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: Angela took a general aptitude test and scored in the 92nd percentile for aptitude in accounting.…

A: In the question given, Angela has scored in the 92nd percentile for aptitude in accounting.

Q: Which one measure of variation would you report for the variable SEX (1=male, 2=female )

A: Variance is a single statistic that measures the spread or variation of a data set.

Q: Angela took a general aptitude test and scored in the 84th percentile for aptitude in accounting.…

A: Obtain the percentage of the scores that were at or below her score. From the information, given…

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: 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: Two HR managers ranked the 12 entries to hire executives for operations department of a hospital is…

A: We have given ranks by two HRs and we have to find how much they are agree or disagree with each…

Q: A survey asked office workers what they like t- do when taking a break from work. Preferred break…

A:

Q: What is the measure of b?

A:

Q: sing the following histogram of waiting times for patients at a health clinic, how many patients…

A: Given histogram, How many patients waited between 20 and 29?

Q: Twelve percent of a group of 900 motors are found to be overloaded. many are not overloaded? 792 110…

A:

Q: An investor bought common stock of Blackstone Company on several occasions at the following prices.…

A: The following table provide the price and corresponding number of share is given by:

Q: Use the data in the table below to answer the following questions. X-variable Y-variable Point 8. B.…

A: The coordinate points of triangle ABC are A(0,8) B(0,5) C(30,5) We need to find the area 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: Asurvey of 125 freshmen business students at a local university produced the results isted below.…

A: Here use venn diagram

Q: Anthony surveys a group of students at his school about whether they play a sport. This table shows…

A: It is a problem of conditional probability where we have to find whether two events are independent…

Q: Giving a test to a group of students, the grades and gender are summarized below A Male 15 Female 16…

A: Solution: Total  students = 85 One student is randomly selected.

Q: Which equation represents the data in the table? 4. 100 25 6.25 1.5625 y= 100(금)" ов. y = 400(금)" O…

A: Equations

Q: The Principal of Forrest Meadows Middle School gave a survey to all of the 6th-grade students to…

A: Given that, the number of 6th graders is 320 and out of which 144 students would be interested in…

Q: Eugene must take four exams in a geography class. If his scores on the first three exams are 91, 67,…

A:

Q: In a survey the maximum data point was 100 while the minimum data  point was 10. if the number of…

A:

Q: Answer this ASAP Determine the value of y for x = 4.7, given the following data:

A: The values of Y given in the table are not clear to me it is given 9,68.   It may be 9.68 or 968. So…

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: 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: 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: Which player had the higher average points when compared to the other players on his team? O Fredo

A: Given information: The average points and standard deviations for the players Freda and Kari…

Q: b. In a Pew Research Center poll on driving, 58% of the 1182 respondents said that they like to…

A: Step 1. (b) Total number of respondents is study =1182.

Q: Given these stats how many students scored a 35 or lo

A: From the given histogram, The number of students corresponding with class [0, 4.7] is 3. The number…

Q: In California, we need more rain to sustain the health of our natural environment, argriculture, and…

A: Inches of Rain(x) frequency(f) f*x 1 4 4 2 3 6 3 0 0 4 7 28…

Q: he median of the set of values. Round to 53 31 22 86 79 90 19 97 24 11 11

A: Given : Median : Median is the middle value of the sorted data.

Q: Using either Table G or Calculator, find the P-value for each χ2 test value.    (a) χ2 = 39.214, n…

A: Using either Table G or Calculator, find the P-value for each χ2 test value.    (a) χ2 = 39.214, n =…

Q: The meaning of a set of data is 108.06 and it's standard diverse Asian is a 115.45. Find the Z-score…

A: The z-score calculated as;

Q: After taking a series of 4 classroom examinations, John obtained a mean score of 82. How much score…

A: The average score obtained by John in 4 examinations is 82. Evaluate the total obtained by John in…

Q: Jamie's grade point average is

A: Given, Grade Points A 4 B 3 C 2 D 1 F 0   Subject Grade Credits Calculus B 3…