The scores on a test for a sample of 36 statistics students are summarized in the following table. Number of students Score 90 16 80 12 70 Find the mean score. Round your answer to at least one decimal place. 00

Q: Give 2 examples of Mode in Measure of central tendency to grouped data

A: 1)The following table represents the number of times that 100 randomly selected students ate at the…

Q: what is the positive and negative impact of raw data?

A: By positive impact of raw data we mean the advantages of using raw data whereas the negatives…

Q: What is the coefficient of determination for the data above?

A: Step-by-step procedure to find the regression line using Excel: In Excel sheet, enter x and y in…

Q: Explain Bionomial distribution with examples?

A: X~Binom(n , p) =========== Formula : P(X =x) = nxpx(1-p)n-x ; x= 0,1,2,..,n

Q: Examine the data elements in contemporary health data terminologies

A: Given information: It is required to state the data elements in contemporary health data…

Q: What does Qualitative data consist of?

A: Qualitative data: Qualitative data is defined as the data that categorize or classify the…

Q: FOR ESTIMATION OF PARAMETERS IN STATISTICS: What are the Types of Estimates? How to estimate a Mean?

A: In Estimation of Parameter in statistics there are two types of estimation, i. Point Estimation  ii.…

Q: Highlight the precautions for use of secondary data

A: The objective of this question is to understand the precautions that need to be taken while using…

Q: Explain why study statistics?

A:

Q: What is the drawback of summarizing the data using the median

A: Median: Median is the middle value of the set of numbers. The set of numbers should be arranged in…

Q: Why is a year of sale is considered as a one example of discrete data? What is the level measurement…

A: Year of sale is discrete data  because year of sale is limited sale that can be countable there a…

Q: write down importance and uses of statistics in detail

A: Statistics: Statistics is the science which deals with the collecting, classifying, presenting,…

Q: Explain how can we find the corresponding z-score of an area and a percentile.

A:

Q: What are the major classifications of averages?

A:

Q: In the symmetric data histogram: Mean = Median = Mode Select one: True False

A: The normal distribution  in the center is generally denser and basically less dense at the tails.…

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: What is Percentile Rank of an Observation?

A: Percentiles: If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: You can calculate an average/mean of qualitative data. True or False

A: mean , median and measure of spread  can't be calculated for qualitative data, because no natural…

Q: Describe about the measurement of variability for qualitative and ranked data?

A:

Q: Explain Testing a Single Mean for significance?

A: Z-test for significance of a single mean: The z-test is appropriate when population standard…

Q: Why is the median less affected by skewed data than the mean?

A: Mean: The average values of the total observations. Median: The value that divided data set into two…

Q: A positive z-score indicates that the score or value is below the mean. True or False

A: We want to tell you above statement is true or false

Q: Calculate coefficient of variation from the following data: 25, 27, 30, 32, 32, 40, 45, 46, 47, 48

A:

Q: Why is it important to understand the level of measurement of a variable in statistics?

A: We have to write the importance to understand the level of measurement of a variable in statistics:…

Q: How will a high outlier in a data set affect the mean and median?

A: There is the effect of an outlier on the median value.

Q: What are the best measures used used for data variation or dispersion

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

Q: How to determine to cut ap value in statistics?

A: P-value: The p-value is a measure of degree of the evidence against the null hypothesis. The…

Q: hy is the median the best representation

A: The mean,,,median,, 99, 254); position: relative; display: inline-block;">mean, median, and mode…

Q: Give 2 examples of Median in Measure of central tendency to grouped data

A:

Q: Why is the combination of the measures of central tendency and measures of variation so informative…

A: Measures of central tendency gives the middle or central value which represents the whole data in a…

Q: Provide a reason why the classication of data is important.

A: In this case, we need to find the reason for the importance of data classification.

Q: Describe the descriptive statistics between the two variables.

A: For  College GPA:-Mean=2.7307standard deviation =0.4296Minimum = 2.0800First quartile (Q1) =…

Q: explain normal distribution with examples?

A: The normal distribution is the most important probability distribution in Statistics because it fits…

Q: What does it mean when a constant is added to every data value in a data set ?

A: when a constant is added to every data value in a data set, there will be a change in the…

Q: The interquartile range is the best measure of variability for nominal data. true false

A: