What value is the bottom 25% of data below?

Q: Determine the percent of data greater than z=−1.40.

A: Know that  X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Why data are skewed?

A: Skewed data: A data is called as skewed when curve appears distorted or skewed either to the left or…

Q: What percent of data is less than -8%

A: here we can see that shape of curve is bell shaped and symmetric about x = -6 so it is normal…

Q: Total revenue for a soda in January 2011 was $4,342,262, and total revenue in January 2013 was…

A: Given :

Q: What proportion of z scores lie beteeen -2 and +2 in the height in inches data set? Round your…

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: What do I do when two proportion populations are the same?

A: The question is asking about the scenario when two population proportions are the same. In…

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: How do you find the controlled effect and the partial effect of a relationship in statistics?

A: Relationship between any two variables can be dependent on presence of another variable it is known…

Q: -9 -8 -7 -0:3- -0-2- 0:4 -0-1-

A: Given information- Population mean, µ = -6 Population standard deviation, σ = 1 Let, X be the random…

Q: How will statistics play a part in a health provider's career?

A:

Q: Describe how you would apple the five basic steps of a statistical study to the following issues.…

A: Given that, The typical percentage of bill that is left as a tip in restaurants.

Q: What is the median of these restaurant ratings? 1 1 2 2 4 4 5

A: Median is the middle value of the series. Median for the odd discrete series is given by-…

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. CPA HO Actuary 30 40 50 60 70…

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Q: How do you find the average, spread, and outliers for quantitative data set?

A: The most frequently used measure to find average for quantitative data set is mean, median and mode.…

Q: Is 83% a parameter or a statistic?

A: The difference between a statistic and a parameter is that statistics describe a sample, whereas, a…

Q: how to find the find the p value of a data table

A: To find p-value, test statistic and hypothesis must be known.

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: The independent variable is Seeds Produced. The dependent variable is Sprout Percent. This is simple…

Q: Describe about the Averages for Ranked Data.

A: The ranked data is mainly used in the non-parametric tests are they are performed on ordinal data.…

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

A:

Q: e most declines in enrollment

A: If we look towards the distribution of histogram which is Distributed in 5 Partitions. given graph…

Q: lecture(12.3): A statistics class is made up 32% in person learners  and has 24 in person learners.…

A:

Q: A class uses weighted averages to calculate your course grade.  Homework is worth 75% of your course…

A: The formula of weighted average is given by,  Xm = ∑xw/∑w = sum of (number × weighing factor)/sum…

Q: State the type of correlation between the number of hours students spend studying and the number of…

A: Correlation is the measure of linear association between two quantitative variables. If one…

Q: rage sales per agent per month from March to May target? Answer: % Which one is the category with…

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

Q: What is the purpose of a Data Dashboard? If you were the manager of a restaurant, for example, what…

A: Data Dashboard is the tool that helps us to synthesis the raw data into visualize form and hence…

Q: 2.What percentage of data is represented by the shaded area?

A: The objective is to state percentage of data that is represented by the shaded area

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A:

Q: Is 64.3% a statistic or a parameter? Justify your answer.

A: The objective of the question is to determine whether 64.3% is a statistic or a parameter.