Determine if the class BMI is significantly higher than the cutoff for a healthy BMI which is 25.

Q: Suppose that the Producer Price Index and the sales of Hoskin's Wholesale Distributors for 2006 and…

A: Given:  Hoskin’s Wholesale Distributors for 2006 and 2018 are:

Q: Why is it ideal that you report underlying frequencies when you are reporting percentages?

A: A frequency is the number of participants or cases; its symbol is the weird F. The symbol of the…

Q: If a scholarship requires a minimum GPA being top 8%, what is the minimum value of GPA to qualify…

A: From the given information we have  Mean(µ) = 2.78Standard deviations (σ) = 0.42X ~ N (µ, σ )=…

Q: SUMMARY OUTPUT Regression Statistics Multiple R R Square Observations Intercept GPA Facebook (hours…

A: We have to find Exam score for given GPA, Facebook , upper class

Q: Imagine that the pregnancy test accurately indicates pregnancy in 97.5% of the people who have it.…

A: The miss rate will be 2.5%

Q: Find the z-score that separates the largest 5% of scores from the rest.  Round your result to 3…

A: Obtain the z-score that separates the largest 5% of scores from the rest. The z-score that separates…

Q: Date Price 2013 $3.50s 2014 $3.58 Le 2015 $2.429 2016 $2.143 Price index

A:

Q: What percent of scores are below a T score of 56?

A: Given, T score is 56. Now,

Q: Suppose you own stock in Beach Front Resort Inc. which had earnings of $2.09 per share last year. If…

A: if you find my answer helpful please put thumbs up. thank you. the required solution is given below…

Q: A multiplier of 1.85 corresponds to a percentage increase or decrease of what​ percent?

A:

Q: oes this indicate that the proportion of customers of this brand of soap has increased, at the .1…

A: Given : n=400 , X=92 , p0=0.20 , α=0.1 We want to test that the proportion of customers of this…

Q: In the middle of the year, the price of raw material decreased by 8%. How would this increase affect…

A: Accounting

Q: 7.3%=

A: We will use standard definition of percent to solve this.

Q: How to multiply this set of data by 50% in R? Thanks.

A: We have given the a set of data, we need to multiple by 50% i.e 0.5 to each value of give  data…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: The U.S. Census Bureau reported in that, people annual income for people who never married was…

A: Given that  Sample size n =100 , for each group.

Q: The schools principal estimates that the current enrollment of 750 students will increase 5% each…

A:

Q: Find the value of X2 values that separate the middle 80 % from the rest of the distribution for 20…

A:

Q: Calculate the Percentile Rank for a student who becomes fourth (4th) in terms of the GPA categorized…

A: The formula for percentile rank of score is, Percentile rank of score=Number of values below…

Q: State whether the following statement is true or false, and explain why.  If the statement is false,…

A: let the average score be 'x'then after one year the score were down by 6%so, the score after one…

Q: According to the National Chicken Council , the mean retail price per pound of chicken in 2010 was…

A: It is give that, Mean retail price per pound of chicken in 2010 = $1.54 The retail price of chicken…

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: In 2014, the median salary nationwide for a high school teacher was $56,310 per year. The median…

A: The objective of this question is to calculate the percent increase in salary that a worker can…

Q: doctor is studying the effects that the amount of junk food has on blood pressure.  As each patient…

A: Here  Observational study means Simply data is collected without interfering the objects..m While In…

Q: A study was done with 611 office workers to investigate their attention to the telephone, the study…

A:

Q: one percent of grades are greater than what z-score?

A:

Q: What is the percentile rank x=15 and what is the score for 75th percentile?

A: If the we have no of scores is 15 then we have formula for percentile rank as:…

Q: A market researcher at a major clothing company that has traditionally relied on catalog​ mail-order…

A: Introduction :-  We have to explain in this context what the 7% represents in the given context.

Q: what z value correlates to 98.96% under  the curve

A: If Z represents standard normal distribution, then we need to find the value z such that…

Q: what percent of 1/18 is 1/15? round to the nearest tenth digit

A: We have to find percent for  Percent of 1/18 = 1/15  Let ,  x % of 1/18 = 1/15  Then ,

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.