Q2. Consider the following table as an example of a possible data set of the people in Bangladesh. Smoking Yes No Total Male 20 40 60 Gender Female 10 30 40 Total 30 70 100 Conduct appropriate test of hypothesis at 1% level of significance mentioning all necessary formulae and six steps.

Q: How to Converting to z Scores is done?

A:

Q: Description of item analysis

A: Introduction Statistics is a field which involves collection, arrangement and analysis of the data…

Q: What percentage of the general U.S. population are high-school dropouts? The Statistical Abstract of…

A: Percentile is the measure which separates the entire data set into 100 equal parts. Quartile is the…

Q: What is the definition of statistics? Why it is important to learn statistics? Give two major areas…

A: Statistics- Statistics is a subject as a branch of mathematics that is based on describing,…

Q: What are the modes of classification?

A:

Q: How are the stats updated in Postgresql?

A: Given data:  How are stats updated in postgresql?

Q: write down importance and uses of statistics in detail

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

Q: Why does The concept of degrees of freedom introduced?

A: First we define the degrees of freedom .  Degrees of freedom :   It refers to the number of values…

Q: Describe about the difference between population means>

A: Assuming that we are comparing the difference between two population means which are defined as The…

Q: The median of the data 82, 139, 79, 148, 102, 128, 112, 92 is_ O 102 107.00 O 214.00 O 158.00 O 112

A: Given  The data are 82, 139, 79, 148, 102, 128, 112, 92 N=8

Q: Define the term linear interpolation?

A:

Q: Explain about why z Test Is Appropriate.

A: The z test is basically a statistical test for testing whether is there any difference between…

Q: What is statistics, how do you think statistics can be helpful in ours lives. Think of an area of…

A: Statistics is a science which deals with the collection, classification, presentation, comparison…

Q: Write A Short Note On Interpolation And Approximation.

A: Interpolation In Mathematics, Interpolation is a process of estimating the unknown values that lie…

Q: How to write a follow proper reporting of statistics in APA format without any tables or graphs.…

A: Given : Write a follow proper reporting of statistics in APA format without any tables or graphs.…

Q: how

A:

Q: What is the population mean of the given set of data? {3, 5, 9, 7, 10}

A:

Q: 5 project topic ideas for final year statistics/ actuarial science student

A: A project topic in the research area consist some principle or statement on which the investigation…

Q: ais rrect lower cla 33, 46, 59, 72 2, 46, 59, 72,

A: The minimum is, min=7 The maximum is, max=80. The range is, Range= max min=80-7=73 The number of…

Q: Answer and question in images

A: The elements which are included in set A but not in set B is {3,5,9,10}.Explanation:Steps and…

Q: Give an example to explain how multiple comparisons leads to an escalation of type 1 error.

A: Type I error: Type-I error is rejecting the null hypothesis H0, when the null hypothesis H0 is…

Q: Describe the four cases of the Leading Coefficient Test.

A: Let given polynomial function is fx=anxn+an-1xn-1+an-2xn-2+......+a2x+a1x+a0 The graph of given…

Q: Without using the 10th students data and according to your opinion (do not make any calculations) a)…

A: In this scenario, the aim to test whether there is any difference between the means of X and Y. Null…

Q: explain bedmas

A: Explain the BEDMAS.

Q: Discuss various methods of performing interpolation with examples?

A: Dispersion is used to measure spread of the data. various measure of dispersion are:   (1) Standard…

Q: How statistics used in healthcare settings. Please bring at least two examples of how statistics are…

A: Statistics is a subject with wide applications. In health care settings statistics are used for many…

Q: Write a short note on Tukey’s HSD test.

A: Tukey's HSD test also called as Tukey's honest significance test is basically a statistical test to…

Q: what are IQR?

A:

Q: Describe the procedure for defining a variable and rules for data codingin SPSS.

A: The procedure for defining a variable in SPSS are as follows: 1) The first step is to click on the…

Q: What are various ways to collect data?

A: The raw data collected from the multiple sources for the first time is called primary data. The data…

Q: Explain the value of the business statistics in management

A: Statistical research in business enables managers to analyze past performance, predict future…

Q: Explain three main reasons for conducting research

A: Research is a procedure for finding accurate solutions to important questions, by the use of…

Q: How to find the weighted mean of three models

A: The weighted mean is given by the following formula

Q: Define most powerful test.

A: Define most powerful test

Q: big idea 9.2

A: the meaning of 9.2 is =92/10 that is equal to 46/5

Q: How Democratic is Georgia? Cou X +…

A:

Q: Describe about two tail test.

A:

Q: From the following data: 24, 109, 16, 128, 46, 86, 57, 37 The median

A:

Q: what is ncx?

A: Combination: The number of different selections of ‘x’ elements (order doesn’t matter) from a set of…

Q: as survey of 4050 US adults find a 15% use ridesharing applications identify the population in the…

A: Given: In a survey of 4050 US adults, 15% use ridesharing applications.