If the test result is significant at 5% level, it must also be significant at 1% level.
Q: Which group has more variability in the Severity (for the 3 years) using the range?
A: Given information: The data represents the values of number of claims for group-A of homes and…
Q: Give an example of a study that would collect univariate and quantitative data.
A: Give an example of a study that would collect univariate and quantitative data.
Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $643.…
A: W heaven to find asked percentage from given data.
Q: Find the percentile, rounded to the nearest percent, for Shaylen's score.
A: Concept: Percentiles are statistical measures that define the percentage of data points lying…
Q: How should we analyze the data?”
A: Once the data is rightly collect there are several processes to be for data Analysis in…
Q: A random sample of 324 residents of a community revealed that 30% were very satisfied withthe…
A: Given that, Critical values: By using the standard normal table of Z, the critical value for two…
Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $631.…
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Q: How do we find the corresponding z-score of an area and a percentile?
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Q: If a study determines the difference in average salary for sub populations of people with blue eyes…
A: Given, As the study determines that the difference in average salary for sub-populations of people…
Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50. If this score is…
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Q: On a reading examination given to 900 students, Elaine’s score of 602 was higher than the scores of…
A: Solution
Q: Jesse was ranked 36th in his graduating class of 180 students. At what percentile is Jesse's…
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Q: Marriot Hotel noticed a decrease in customers' repea- business accompanied by an increase in…
A: Dependent variable is the variable which depends on the another variable. Increase or decrease in…
Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?
A: Solution
Q: What is the measure of PD?
A: From the figure FD is diameter , Therefore, ∠FED=90∠FEP+∠PED=9035+∠PED=90∠PED=90-35∠PED=55
Q: What is the difference between the average resistance to happiness at age 20 and at age 70?
A: Given :- R = 4.6 - 0.02x put x = 20. ⇒R=4.6 - 0.02 × 20⇒R=4.6 - 0.4⇒R=4.2 Now, put x = 70 ⇒R=4.6 -…
Q: What are the percentages of scores that fall between -1 and 0/0 and 1
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Q: What percentage of scores are between scores 75 and 89?
A: By emperical rule P(-1<Z<1)= 0.68 P(-2<Z<2)=0.95 P(-3<Z<3)= 0.
Q: What percentage of scores are between scores 68 and 82?
A:
Q: Find the 20th percentile of the data 4 5 11346 2
A: Given data is 4,5,1,1,3,4,6,2sample size(n)=8
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: s the significant difference?
A: Hypothesis: Null Hypothesis: The factor affecting the career choice of the students is their…
Q: On a reading test, Shaylen's score of 455 was higher than the scores of 4236 of the 7276 students…
A: The pth percentile of a set of observations is the value below which, p% or (p/100) proportion of…
Q: What is the forecast for Y101 given the data?
A: Here given equation and given value of Y
Q: After six biology tests, Ruben has a mean score of 74. What score does Ruben need on the next test…
A: The mean score of Ruben after six biology tests is 74.
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: When do you need to calculate and use a Z - Score?
A: Z - score : A z-score describes the position of a raw score in terms of its distance from the mean,…
Q: What is the 75th Percentile of a data set when the Inter Quartile Range (IQR) is 12.5 and the first…
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Q: You know that 149 of the 196 students that took a test scored lower than 85 on test. What percentile…
A: As given, There are 196 students Out of 196 students, 149 students have test scored lower than…
Q: On a placement examination, Rick scored lower than 1228 of the 12,730 students who took the exam.…
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Q: NCAE shows that the average score of the students is 80 and sd is 15. What is the percentile rank of…
A: Given : Mean (μ)=80Standard deviation (σ) = 15x=84
Q: A Harriss poll taken surveyed 2016 adults and found that 423 of them had one or more tattoos. can…
A: The hypotheses for the test is given below.Null hypothesis:H0: p = 0.25Alternative hypothesis:H1: p…
Q: On a reading test, Amelia’s score of 455 was higher than the scores of 4256 of the 7210 students who…
A: Number of data values less than 465= 4256 Total number of data values= 7210 Percentile=?
Q: Why does the use of multiple t tests increases?
A: The multiple t-tests are defined for a one-sample multivariate test and as well as for two samples.…
Q: A parent comes to you and asks the difference between percent correct and the national percentile…
A: Concept: Percentage in simple terms can be difined as a number that is out of 100. Maximum marks are…
Q: 2. On a reading test, Amelia's score of 455 was higher than the scores of 4256 of the 7210 students…
A: Obtain the percentile for the Amelia’s score. The percentile for the Amelia’s score is obtained…
Q: If a person’s z-score equalas 2.08, what is their percentile? Thank you.
A: Our aim is to find the percentile.
Q: 350 students took a standardized test, Sarah’s score was ranked at the 7th. What was the percentile…
A: that is (7×100)/350=700/350 =2
Q: What would be the speed of a driver who was at the 96th percentile ? Show all work.
A: X follows a Normal distribution with mean = 184.8 and S.D = 7.2 Then z=(x-mean)/SD = (x-184.8)/7.2…
Q: Sean also took the SAT (μ=1010,σ=200) and had a z score of +0.25. What was his SAT raw score? What…
A: Given data, μ=1010 σ=200 z-score=0.25
Q: Why do we need to study the variation of a collection of data? Why isn't the average by itself…
A: Step 1: An important characteristic of a data set is the variation in the data. In many of the data…
Q: A student answered 78 out of 100 homework questions correctly on the first try. What percent of…
A: Solution-: A student answered 78 out of 100 homework questions correctly on the first try. What…
Q: test
A: Given: Sample size, n = 10 Mean, μ=14 Sample mean, x = 14.75 Standard deviation, s = 1.75 Suppose…
Q: Compose the score values for 3 samples that have the same mean and median, but differ in the amount…
A: Part 1 2, 4, 6 3, 4, 5 4, 4, 4 Explanation: Part 1 There are many different conceivable…
Q: After six biology tests, Ruben has a mean score of 72. What score does Ruben need on the next test…
A:
Q: Your boss wants to use absenteeism rates to predict which employees will most likely quit during the…
A: Statisticians choose the appropriate test statistic with objective to know the rate of leaving the…
Q: What is the percentage of players whose age is less than 32?
A: here given mean = 33 year standard deviation = 2 year x= retirement age
Q: Given μ=25and σ=4.8,what would be the x-value for the ninety-fifth percentile?
A: Given: μ=25 σ=4.8
Q: Given μ=25and σ=4.8,what would be the x-value for the twenty-fifth percentile?
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Q: Suppose you want to investigate the proportion of households in Muscat governorate that have fire…
A: Given information: The investigator is specially interested to estimate the proportion of households…
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