ut30 covers 95% of the items in a data set. A True False
Q: The failure rate for taking the bar exam in Philadelphia is 41%. If 375 people take the bar exam,…
A: Given that, The failure rate for taking the bar exam in Philadelphia is 41% i.e. probability, p =…
Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675. About what…
A:
Q: If there were drivers who drove 80 or 85 mph would the mean stay the same or get higher or lower?
A: The given frequency table is shown below: x f 85 2 80 3 75 15 70 20 65 50 60 45 55…
Q: Which value is greater than at most 75% of all scores in a data set?
A: The median is middle value of the observations, above or below which 50% of the observations lie.
Q: How smart is your phone? A random sample of 10 Samsung Galaxy smartphones being sold over the…
A: We have given that, The data set is, 199, 169, 385, 329, 269, 149, 135, 249, 299, 249 standard…
Q: The median is the point of the _____ percentile of distribution?
A: Median is the value that divides entire distribution between two equal parts also the median is the…
Q: 5. What percent of the sophomores watch TV for at least 15 minutes per night?
A: Following statistics is given for TV time Minimum = 0 minutes Q1 = 15 minutes Q2 = 60 minutes Q3 =…
Q: In a survey 500 adults were interviewed, 150 said they had early medical checkup. Find the 95% for…
A: Givensample size(n)=500No.of adults said they had early medical checkup(x)=150p^=xn=150500=0.30
Q: In one sentence, what is the difference between measure of health outcome occurrence and measures of…
A: We have to tell difference between measure of health outcome occurrence and measure of association.
Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…
A: It is an important part of statistics. It is widely used.
Q: What is the median nutritional status for the 7 individuals?
A: The number of nutritional status is 7.
Q: A football kicker makes 70% of his field goals. If he attempts 20 field goals, determine the mean…
A: Determine the mean number of field goals made by football kicker. From the information, given that a…
Q: what is the median of the data?
A: Given data 32 , 45 , 47 , 28 , 47 , 53 , 30 , 38
Q: What is the IQR for the data set?
A: Measure of central tendency measures the central or average value of a dataset. Measured of…
Q: What percentage of scores would be above 567?
A:
Q: State one disadvantage of displaying data in groups?
A: Statisticians or researchers collect, display and analyze the data for their purposes. After…
Q: what is the z score for the 44th percentile
A: Obtain the z score for the 44th percentile. The z score for the 44th percentile is obtained below as…
Q: The test score at the 25th percentile is 108. What is the test score at the 75th percentile?
A: Solution
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: how many sports played male vs female based on the data
A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…
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: Q5. Explain the importance of statistics in the field of drug development and the pharmaceutical…
A: Statistics is a significant apparatus in pharmacological examination that is utilized to sum up…
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: Ten HR majors had an average grade of 94 on an exam. Fourteen business majors averaged 86, while six…
A: Given problem Given that Ten HR majors had an average grade of 94 on an exam. Fourteen business…
Q: What percentage of people are men who like movies?
A:
Q: In general, % of the values in a data set lie at or below the 74th percentile.
A: Solution: 74th percentile means that 74% of the data below that value and of 100–74=26% of the data…
Q: Determine the statistical relationship between the average answer time (seconds) and the average…
A: Simple linear regression model: A simple linear regression model is given as y = b0 + bx, where y is…
Q: the average score for an entire population is an example of
A: Solution: Parameter: Parameters is fixed value obtained from a all population or whole population.…
Q: The 25th and 75th percentile points
A: Given Data is :
Q: What percent of students preferred iced tea?
A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…
Q: What well-being score represents the 45 percentile? *
A: It is given that the mean is 100 and the standard deviation is 20.
Q: For the month of April, a checking account has a balance of $523 for 24 days, $2415 for 2 days, and…
A: The account's mean daily balance for April is obtained below:
Q: Explain random numbers?
A: Introduction A no. in mathematics and statistics is an object which is used for counting, measuring…
Q: Estimate the 97.5 percentile of 1996 verbal SAT scores. Refer to
A: From the given information, μ=505σ=110 Consider, the 16th percentile:…
Q: What is the composite scores
A: Composite score is the average score. For the three students composite score=total score or raw…
Q: The cighth grade girls' basketball team played a total of 13 games this season. If they scored a…
A:
Q: A sample of students involved in laboratory accidents was categorized by age. The results appear as:…
A:
Q: When the Standard Score = -2, what is the percentile of the raw score? O 2nd O 14th 16th 34th 84th
A: Given that, Standard score = -2
Q: What is the definition of the mean of a data set
A: Mean is just another name for average.
Q: Calculate the 70th percentile of the data set shown
A: Given n=10 x 4.4 8.8 10.3 12 20.9 26.8 28 28.4 29.2 30
Q: Explain what it means that a sample must be representative of the population.
A: It is an important part of statistics. It is widely used.
Q: The 77th percentile is O.
A: X~N(50 ,49)Let Q be the 77th percentile .P(X<Q) =0.77⇒P(X-507<Q-507) = 0.77⇒ϕ(Q-507) =…
Q: Kara has five exam scores of 6363, 5959, 6767, 7575, and 7373 in her biology class. What score does…
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Q: What is the 84th and 22nd percentile and what is the 7th and 9th decile
A: Solution To find the percentile and decile we will use Excel
Q: Find the percentage of data that lies below -2.40, above 1.73, and between -2.40 and 1.73
A: Given data To Find the percentage of data that lies below -2.40, above 1.73, and between -2.40 and…
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