In mathematical statistics, why are sufficient statistics useful and what does it mean for a statistic to be sufficient?

Q: What is the difference between preventative measures and preventative statistics of a disease

A: preventive  healthcare or preventive  medicine refers to the measures taken in order to prevent and…

Q: 1. Define statistical significance. Why is this important for us to understand? What is the most…

A: Hey there! Thank you for posting the question.  Since there are multiple questions posted, we will…

Q: what is Interpretation anxiety in statistics ?

A: Statistics anxiety: In general, statistics anxiety is a multidimensional functionality that…

Q: What is the test statistic?

A: At Rachel's 11th birthday party, B-girls were timed to see how long ( in seconds ) they could hold…

Q: What are the reasons why you should learn statistics? Do you think that learning statistics will…

A: There are few reasons you should learn statistics - 1. The first reason would be you effectively…

Q: . What are some common statistics used in the field of criminology/criminal justice?

A: Statistics play an important role when it comes decision making in criminology.

Q: Give and explain one way to find a sufficient statistic.

A: Let X1, X2…Xn be n independently and identically distributed random variables.X be a set of those…

Q: What is meant by a result being statistically significant?

A: There are mainly two important things in any research. Practical significance and statistical…

Q: what is a composite outcome rate in statistics?

A: Solution Composite outcomes, in which multiple end points are combined, are frequently used as…

Q: What are some examples of sample statistics

A: Sample: A subpart, portion or subgroup is selected taken from the population is known as sample. It…

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: What is the difference between descriptive statistics and inferential statistics and can you give an…

A: Descriptive statistics: Descriptive statistics is used to summarize the data and to give graphical…

Q: Biased statistics can result from a variety of problems during the data collection process. What…

A: When the very low proportion of intended participants actually participates in data it leads to a…

Q: What is meant by the process of statistics

A: Process of statistics: It involves the following steps.

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: How can we calculate the probability-weighted average of the squared deviations?

A:

Q: Why is it important to know what type of statistical test should be run before data is collected?

A: It is important know what statistical test should be run before data is collected to ensure data…

Q: What is the difference between testing hypothesis on a population and testing hypothesis when…

A: Statistical hypotheses testing:   Hypotheses testing is used to make inferences about the population…

Q: Explain the tests of statistical significance?

A: It is asked to explain the tests of statistical significance.

Q: Explain two ways in which descriptive statistics and inferential statistics are interrelated.

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

Q: What is the important concept in inferential statistics? Explain it.

A: Descriptive and inferential statistics: Descriptive statistics concerned with describing the target…

Q: what is a statistical model

A: A statistical model is process of applying statistical analysis to the given data set and it…

Q: Why is statistical inference generally used to obtain information about a population proportion?

A: Generally, the size of the population that is considered under study is large. It would be difficult…

Q: Inferential statistics are valuable when examination of each member of an entire .population is not…

A: Since we know that  Inferential statistics use measurements from the sample of subjects in the…

Q: What is formula for the variance of the population?

A:

Q: Statistics used to test for significance and extrapolate to a population are known as what type of…

A: Statistics is basically divided into two major fields.  Descriptive statistics Inferential…

Q: How is a sample related to a population? Why is a sample used more often than a population? What is…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: What is the importance of getting a sample from a population? When and why is it necessary?

A: The population is defined as a large group in which the units involved have the same…

Q: What is the point of statistics? Why do we need it? Why can’t we just look at data by itself?

A: Introduction - Statistics - Statistics is a branch of mathematics which include collection,…

Q: Discuss with the aid of sketch the intimate relationship between Statistics and Research.

A:

Q: What is the difference between practical significance and statistical significance? Give an example…

A: Meaning of statistically significant:In statistical analysis, the word “significance” essentially…

Q: 1. does correlation imply causation? 2. Why are correlation important to statistics?

A:

Q: What is meant by the phrase statistically significant?

A: Simple random sampling:Simple random sampling is the process of sampling in which every individual…

Q: what is standard deviation and variance formula in statistics

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: What is Inferential Statistics?

A: Descriptive and inferential statistics: Descriptive statistics concerned with describing the target…

Q: What is "Statistics"? Give two types of statistics.

A: Statistics: Statistics is a branch of study which is concerned with the collection of data from…

Q: When do you consider a person to be statistically literate?

A: From the given information we find solution

Q: what is the Margin of Error in Statistics?

A: The combined value of critical value and the standard error together make the formula of margin of…

Q: is statistics used to infer the results based on a sample to a population. *

A: Statistical inference consists in the use of statistics to draw conclusions about some unknown…

Q: What is the population of interest? What is the sample?

A: 41. The study is conducted to determine the number of hours of sleep full-time college students at…

Q: Give concrete or real life examples of non-probability sampling.

A: Here we want to discuss example of non probability sampling.

Q: Traditional statistics (means, variances, and hypothesis tests) are not used to evaluate the results…

A: The traditional statistics are used to evaluate the result means we use the critical values to make…

Q: differentiate the following statistical terminologies with some examples. Descriptive Statistics and…

A: Let DS denote Descriptive Statistics. Let IS denote Inferential Statistics.