Can statistical concepts help in daily life?

Q: Describe the statistical techniques of Moving Averages and Exponential Smoothing?

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Q: What is the difference between prevalence and incidence? Over time, how are the measures of…

A: The Main difference between Prevalence and Incidence is defined as follows  Prevalence measures or…

Q: Why is the Method of Moments estimator, in mathematical statistics, consistent?

A: Given that:  Method of Moments estimator, in mathematical statistics:

Q: Why is it ideal that you report underlying frequencies when you are reporting percentages?

A: A frequency is the number of participants or cases; its symbol is the weird F. The symbol of the…

Q: A researcher wants to know if there is a difference between the mean amount of sleep that people get…

A: 2. Excel Procedure: Enter the data for Part Time, Unemployed and Full Time in Excel sheet>…

Q: Why is normal distribution important in statistics and in everyday life?

A: Normal Distribution is important in statistics because many natural phenomena follows Normal…

Q: What does a z-score tell you about a data value?

A: Solution: Let X be the random variable. The z-score is the standardized value of the given data.

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: Define descriptive statistics

A: Given : Term  Descriptive statistics

Q: Why is an expanded concept of "variation" necessary in statistical improvement? Is all variation…

A: Given the statement that "variation" is necessary in statistical improvement.

Q: Almost any inferential study involves aspects of descriptive statistics. Explain why.

A: Descriptive statistics:Descriptive statistics is defined as the method where the information…

Q: What is quantitative data?

A: Qualitative data is a type of data that expresses a given quantity, quantity or range. In the case…

Q: Why is probability theory important to statistics?

A: The probability of an event:The probability of an event is obtained as the ratio of favourable…

Q: Discuss the importance of Statistics in taking up Accounting Research.

A: Statistics can be in any form such as numbers, summaries of patterns and probabilities.…

Q: If we add a constant (say, d) for all data values, how this will affect the geometric mean? and what…

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Q: how will you relate the formulas for quartiles and deciles of grouped data?

A: The formula for the ith quartile is: Qi=L+in4-cff.w Where L is lower bound of the class, c.f is…

Q: Discuss the differences between statistics as numerical facts and statistics as a discipline or…

A: Statistics as numerical facts involves the use of numbers from a sample in determining the mean,…

Q: What does it mean when the difference is statistically significant?

A: STATISTICALLY SIGNIFICANT MEANS NULL HYPOTHESIIS IS REJECYED.

Q: What are the advantages and disadvantages of quantitative and qualitative data?

A: The quantitative research process canbe easily as it depends upon the measurement,quantity. Some of…

Q: All discrete quantitative variables can be thought of as counting the number of something. True…

A: If a random variable can only take on a countable number of values, it is discrete; the values of…

Q: What is Statistical Measure of the Amount of Variation in a Population?

A: Standard deviation: The standard deviation indicates by how much each observation differs from a…

Q: What is the similarities of parameter and statistics

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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: true about the type of data?

A: A team of researchers was requested to collect data on the household expenditure of two groups…

Q: Identify some methods used in descriptive statistics.

A: Descriptive statistics:Descriptive statistics is defined as the method where the information…

Q: What is meant by the grand mean?

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Q: analyze her data

A: ANOVA:  This is a Statistical technique to check the variation in the data. We are checking the…

Q: Is IQ related to GPA?If a student’s IQ is 117, what GPA would you predict?How much of the variation…

A: Given Info :  The provided data are from a random sample of thirty cases from a study by Howell…

Q: In words, explain what is measured by SS, variance, and standard deviation

A: The sum of squared deviations, , is also known as the sum of squares or SS. The number of squared…

Q: Deifne different types of Quantitative data ?

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Q: In both qualitative and quantitative research, how do we present the data?

A: The data may come from a population or from a sample. Small letters like x, y represent the data…

Q: How can In-depth interview help a researcher obtain a data from you?

A: Interviews are used to collect data across all educational research fields. There are different…

Q: How do you compute median in Excel?

A: Enter the given data in first column of excel sheet.

Q: True or False: For practical purposes collecting data and computing for the population mean is more…

A: Samples are used for making inferences about the population. Collecting data from the population may…

Q: Can Discrete quantitative data provide reliable results?

A: Quantitative variables: The quantitative variable is the variable that measures a numerical…

Q: If you wish to run a hypothesis test to see if the mean cholesterol level is more than 200 mg/dL,…

A: Test is that whether mean cholesterol level is more than 200 mg/dL.

Q: Statistically what is “all the children are above average.” mean

A: The mean (average) is referred to the central measure of the given data. The mean value indicates…

Q: What is Measures of Variability?

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Q: The manner in which numerical data can be analyzed statistically depends on the level of data…

A: The manner in which numerical data can be analyzed statistically depends on the level of data…

Q: What is the TWO SOURCES OF VARIABILITY?

A: The total variation is portioned as follows: SST=SSTR+SSE

Q: When will a chi-squared statistic equal zero? You need to very specifically discuss the data.

A: Generally, the chi-squared statistics are always related to the null hypothesis of given data. When…

Q: Does the process of statistical analysis stop at the end of the analysis?

A: Introduction:A statistical data analysis procedure can be performed broadly in the steps-…

Q: Why is planning what statistical tool to be used important in quantitative research?

A: Statistical tools form an important part of quantitative research in that that they provide proper…

Q: Can mean be used with qualitative data?

A: Given a statement that mean can be used with qualitative data.   Definition : Qualitative data:  It…

Q: Knowledge of statistical and mathematical terms is very important in finance. Explain the difference…

A: Statistics include collection of the data, making analysis of sampled data and interpretation .…

Q: The formula is applied for computation of Mean when data is in Raw form?

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