Shell (%) sales (%) change (%) 48th week 47th week 47th week 48th week 374,9 gas 95 gas 98 62 +3,878 42 379,9 +2,37

Q: Median Income In 2015, the median family income in the United States was $66,650. (Source: U.S.…

A: It is known that median is the 50th percentile.

Q: Median Example31: Find the median for the following data: (i) 42, 300, 101, 75, 85, 45, 210 (ii) 5,…

A:

Q: 4step 13.31 Tendon Surgery. You have torn a tendon and are facing surgery to repair it. The surgeon…

A:

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: sample 9850 individuals free of disease. Find the false positive rate and the false negative rate of…

A: HERE GIVEN,  A medical research team wished to evaluate a proposed screening for diabetes. The test…

Q: Example 15. The mean of wages in factory A of 100 workers is 720 per week. The mean wages of 30…

A:

Q: The ogive represents the heights of males in a particular country in the​ 20-29 age group. What…

A: The ogive represents the heights of males in a particular country in the 20-29 age group.

Q: 32PS-8 Question He A company that makes hair-care products had 9,000 people try a new shampoo. Of…

A: Given :  9000 people tried a new shampoo Out of them 27 had a mild allergic reaction

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: From the given information, # of courses Frequency Relative Frequency=frequency/Total frequency…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Frequency is the number of times an observation occur in the data set and relative Frequency is the…

Q: There are 250 students in a class. (A) James is ranked 20th in the class. What is James’ percentile…

A:

Q: Find the mean of th percent change in market share for the control cities. Test Cities       1 =…

A: In the given problem we have given that, the market share for the test cities and control cities. We…

Q: 13.31 Tendon Surgery. You have torn a tendon and are facing surgery to repair it. The surgeon…

A:

Q: Analyzing Percentage Statements. Assuming the given information is accurate, determine whether the…

A: Given, Men students at orientation = 60 %  Arts major students at orientation = 30 %   We have to…

Q: Average marks in Statistics of 10 students of a class was 68. A new student took admission with 72…

A:

Q: scatterplot

A: Given X: age in years Y: Canal length in millimeter Scatter Plot: It is a Graphical representation…

Q: Age of Customers Who Prefer Smile Bright Toothpaste. 20- 16- 10 20 30 40 50 60 70 Age (in Years)…

A: From the histogram, the frequency distribution table is Class Interval Frequency 0-10 4 10-20…

Q: 0,26,40,36,23,42,35,24,30,33 determine the value represents the 60th percentile

A: Provided data is: 20, 26, 40, 36, 23, 42, 35, 24, 30, 33. The observations P1, P2, …, P99 which…

Q: psychologist would like to examine the effects of a new drug on the activity level of animals. Three…

A: ANOVA: The analysis of variance (ANOVA) is used to determine whether there are any statistically…

Q: The scatterplot illustrates the relationship between distance and success rate of field-goal…

A: Given,

Q: An apple orchard's workers pick 12,500 apples in the month of October. A sample of 300 of these…

A: To find: The best estimate of the percent of apples picked at the orchard in October that are…

Q: Student Exercise Habits Eldridge School has 150 students. A sample of 8 students were surveyed about…

A: Formula for Average,      Average=Sum of the all numbersCount of the numbers=x1+x2+...+xnn

Q: b. Complete the table. Enter the exact answers (i.e. enter your answers for the relative and…

A: Frequency total = 3+8+9+4+1=25 Relative frequency = Frequency of the class Frequency total…

Q: The scatterplot below shows opening weekend gross sales (measured in millions of $US) and total…

A: The scatterplot is plotted between weekend gross sales (in millions of $US) and total world gross…

Q: A U.S. flag vessel is a government or commercial boat registered in the United States Trudy, who…

A:

Q: Folklore has it that there is an inverse correlation between mathematical and artistic ability.…

A: Given:  The random sample of participants are n=15. Let x represents the mathematical ability. Let y…

Q: Social life A question posted on the gamefaqs.com web-site on August 1, 2011, asked visitors to the…

A: Solution: a) This study is not appropriate to appraise the extent of U.S. grown-ups who might state…

Q: The data in the table represents the ages of the winners of the award for the past five years.…

A: The data values are 41, 60, 56, 58 and 34.

Q: Percentile The table to the right shows selected ages of licensed drivers in one country and the…

A:

Q: Fishing: Northern Pike Athabasca Fishing Lodge is located on Lake Athabasca in northern Canada. In…

A: The hypothesized proportion value is 0.75.

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: We want find the missing information in the table

Q: Fifty part-time students were asked how many courses they were taking this term. The (incomplete)…

A: From the provided information, The total part-time students = 50 Total number of students taking 1…

Q: How many degrees of freedom do you lose in a dependent samples t-test? 1, 2, 3, or 4?

A: How many degrees of freedom do you lose in a dependent samples t-test?

Q: permarket during a visit, what percentage of the customers are expected to get free gifts?

A: Here given, Amount spend by customer during visit of supermarket is normally distributed with mean…

Q: Rate of Return (%): 3.23, 6.14, 11.39, 15.99, 3.24, -3.86, -1.04, 8.49, 5.93, 6.96, 1.98, 3.13,…

A: Data values,…

Q: ercentage of Students Liking Pizza in 3 Classes 100 90 80 70 60 50 40 30 20 10 Class A Class B Class…

A: Given bar graph

Q: DINA STUDY OF SPEED DATING, MALE SUBJECTS WERE ASKÉD TO RATE THEIR FEMALE DATE s. A SAMPLE OF…

A: The mean is calculated as: The table that shows the necessary calculation is shown below: x…

Q: C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier…

A:

Q: Assets in billions of dollars of the four wealthiest people are 36, 30, 21, and 19 with a sample…

A: The list of possible observation with sample size 2 is,

Q: z Scores If your score on your next statistics test is converted to a z score, which of these scores…

A: Higher z score means more standard deviations above the mean and would correspond to the highest…

Q: Absenteeism A company’s records indicate that on anygiven day about 1% of their day-shift employees…

A:

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Sum of frequencies is equal to total students, so frequency for students with 3 courses will be…

Q: Question: The mean annual salary of all employees in a company is 25000. The mean salary of male and…

A:

Q: hua went to a doctor's appointment yesterday. He was weighed and the paperwork said that his weight…

A: Percentile is the measure of quantiles. It divide the data into 100 equal parts with 99 points.…

Q: Find the percentile rank for each value in the data set. The data represent the values in billions…

A: