The percentile gives an indication of the relative position of the scores. True or False?

Q: The mean can be thought of as the balancing point of a distribution. According to this description,…

A: Mean          A mean is the simple mathematical average of a set of two or more numbers. The mean…

Q: A data sample has a mean of 107, a median of 122 and a mode of 134. The distribution of the data is…

A: We have to find given statement is true or false.

Q: Calculate t for a comparison for repeated-measures data?

A: The computational procedure is to compute the difference between each pair of observations (di)…

Q: find 30th percentile for data 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

A: Given 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

Q: Find the relative risk for the headache data.

A: here use given information , For treatment group n = 2142 x= 22 (reported headache)   for control…

Q: Describe the distribution of the data. What can you say about the number of goals made by the…

A:

Q: When data is normally distributed the mean equals the mode. True

A: Normal distribution

Q: find 2nd percentile for given data 12,15,6,3,7,9,8,4,14,19,18,16,13,15,14,12,15,5

A:

Q: Find the percentile rank of students obtaining the scores:

A:

Q: How do you find the percentile?

A: Percentile :  A percentile is a term used in statistics to express how a score compares to other…

Q: which is more meaningful in ranking academic performance quartiles or deciles

A: A data set's quartiles divide the data into four equal parts, each containing one-fourth of the data…

Q: Would you be able to help with Standard Deviation along with the range, mean, mode, and median?

A: Measures of variability:The measure of variability or the measures of dispersion can be measured…

Q: Your instructor has the Mid-Term examination grades. He told you that the 25th percentile is 51 and…

A: Given that, Your instructor has the Mid-Term examination grades. He told you that the 25th…

Q: find 3rd percentile for given data 12,13,20,16,5,4,6,9,7,14,16,18,19,16,25,15,14,5

A:

Q: Determine the speed corresponding to the 75th percentile.

A:

Q: What is the z-score corresponding to the 74th percentile

A: Standard normal distribution: The standard normal distribution is a special case of normal…

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: Explain what is an outlier and how it may affect the data results of an investigation

A: We have to explain an outlier and write how it may affect the data results of an investigation.

Q: THE SALE PRICE OF THE SIX TOWN HOUSES SOLD IN 2020 were…

A: Given Information :

Q: The range, like the mean has the disadvantage of being influenced by outliers True O False

A: This question can be solved using the concept of outliers.

Q: Find geometric mean and 50th percentile of data 5,8,10,14,16,19,22,25,29,31,36

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: The range, like the mean has the disadvantage of being influenced by outliers True False O

A: Solution-: The range, like the mean has the disadvantage of being influenced by outliers. (a) True…

Q: Describe about dealing with outliers in relation to correlation?

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: State whether the data described below are discrete or continuous, and explain why. The times (in…

A: Given a data , and we need to find whether it is continuous or discrete .

Q: For his statistics assignment, Johnson examined differences in quality of grades obtained by…

A: Johnson examined differences in quality of grades obtained by students on the regular program of a…

Q: find 3rd  percentile for given data 12,15,44,52,16,46,42,65,75,85,42,3

A:

Q: In moderately asymmetrical distribution, the value of median is 42 and the value of mode is 40. Find…

A: Given: Median = 42 Mode = 40 Distribution is moderately asymmetrical

Q: Give the statistical meaning of the relationship between the spending hours on using mobile and…

A: Answer: When we check the relationship between two variables then scatter plot is best plot to…

Q: What is the value of the variance if the mean of a frequency distribution is 100 and the coefficient…

A:

Q: What is the z-score of the 31st percentile?

A: The z-score for the 31st percentile is the value such that 31% of the area under the standard normal…

Q: Think of your own example of a data set that would follow a normal distribution and explain why.

A: progress report data of employees follow the normal distribution. let us consider the monthly…

Q: (part 2) Give an example of a set of data for which the mean is lower than the median.

A:

Q: There is a NEGATIVE relationship between the number of hours a student watches television and his or…

A: Solution - Option B is correct. (Test score is decreasing with increase in number of hours)

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: I finished first in the high jump and third in the pole vault. determine whether the data described…

A: Nominal Data- Take more than 2 values but these values are not ordered –there is no natural ordering…

Q: what is the distribution of the coefficient of variation?

A: A coefficient of variance is used to determine the precision of an estimated value. It is primarily…

Q: How to find the relative and percent error in this data?

A: From the given data the equation is of linear type in the form of a line equation Y = a+bX The line…

Q: What is the highest relative score earned on a test?

A:

Q: Does the mean represent the center of the data?

A: We have to write Does the mean represent the center of the data.

Q: find 27th percentile of data   41,42,45,46,48,49,50,52,53,55,58

A:

Q: Select whether the value of each statistic for the distances of the stars from Earth increases,…

A: Given the data 63, 68, 78, 88, 90, 105, 120. To find the value of mean, median and standard…

Q: The mode of a data set is 119, the median is 120, and the mean is 119. Are the data normally…

A: Normal distribution

Q: z = 3 is what percentile?

A:

Q: Suppose you are told your BMI is 32, the  70th percentile for your age and sex. Please interpret…

A: Introduction: The pth percentile of a set of observations is the value below which, p% of the…

Q: Give the statistical meaning of the relationship between the spending hours on using mobile and…

A: Solution: n= 10 observation let x=Using phone days  and y= using reading days   x y x^2 y^2 xy…

Q: Locate the outlier in the boxplot. What effect does this data point have on the mean of weekly…

A: Solution The box plot shows the salary for mean which contain an outliers.

Q: Find the interquartile range, 90th percentile and 5th decile of the data given below:

A: