Who is most likely to have prevalent coronary heart disease? Test if there are significant differences in the following risk factors between persons with and without prevalent coronary heart disease (CHD). Summarize the statistical results in the table below and then compare risk factors in persons with and without prevalent CHD. Be sure to indicate what statistical tests were used in the footnote to the table and in a brief summary of a paragraph or less.   Patient Characteristic* History of CHD (n = 194) No History of CHD (n = 4240) p-value* Age, years 57.47938 49.58019 <0.001 Systolic blood pressure, mmHg 144.9974 132.3546 <0.00 Diastolic blood pressure, mmHg 87.14433 82.89776 <0.001 Total serum cholesterol, mg/dL 243.1979 236.6995 0.048604 Body mass index 25.8009 25.8008 0.000606 * Mean (Standard deviation). P-values are based on two independent samples t tests

Q: What descriptive statistics would you use for a survey about depression?

A: Descriptive statistics: A descriptive statistic is a summary statistic that quantitatively describes…

Q: Explain the conceptual and quantitative relationships between Alpha risk and Beta risk when testing…

A: The conceptual and quantitative relationships between Alpha risk and Beta risk

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: The grades on the second statistics test for Ms. Rose's class are in the following list. Complete…

A: We first arrange the data A, B, B, C, C, C, C, C, C, C, C, C, D, D, D, D, D, D, F, F, F

Q: Why do you think it is important for a person to know at least basic statistical concepts?

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

Q: What is a sample mean? What is a sample proportion? Summarize the notation used for these…

A: Sample mean : It is sum of all observation in the sample divided by total number of observations.…

Q: What’s the difference between statistical significance and practical significance?

A: If the strength of the evidence in our sample has passed your defined threshold of the significance…

Q: What do you mean by natural variability and variation in Statistics?

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

Q: Why we need different measures of central tendency and dispersion, if mean is given? Briefly explain…

A: The different measures of central tendency are as follows: 1. Mean: It is the most popularly used…

Q: Which type of research would you be conducting on this research question? Select one.

A: Given: Among the types of nursing homes that have existed in my town over the past five years, which…

Q: Who is most likely to have prevalent coronary heart disease? Test if there are significant…

A: The table presents a comparison of risk factors between individuals with and without prevalent…

Q: Discuss the characteristics of the basic descriptive statistics: sample size, mean, and standard…

A: Characteristics of mean: Mean represents all the values of the data. Outliers of the data affects…

Q: If you are analyzing statistical data from a range of percentages of participant responses and…

A: If you are analyzing statistical data from a range of percentages of participant responses and…

Q: Population Sample Variable Data Experiment Parameter Statistic

A: Population: Population is the set of all values in the set of data. Population is collected by…

Q: Consider the data that was obtained from a random sample of 51 credit card accounts. Identify all…

A: Sample size,

Q: What is descriptive statistics? What information does it provide? Why is it important?

A: Descriptive statistics: Descriptive statistics is a branch of statistics that deals with the…

Q: What is the difference between correlation and causation?

A: Correlation: Correlation analysis is used to measure the strength of the association between…

Q: List and describe two of the common types of explanation for statistical relationship (other than…

A:

Q: None

A: Key reference: Statistics, L. (2013). Descriptive and inferential statistics. Retrieved from:…

Q: Explain the tests of statistical significance?

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

Q: The frequency histogram below shows the response time of a sales person when they receive a new lead…

A: The histogram for the response time of a sales person when they receive a new lead over the past…

Q: What is Descriptive Statistics?

A: Descriptive statistics: Descriptive statistics is nothing but the way to describe data. When we have…

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: P is used to represent the level of significance O population proportion O probability of Ho…

A: Population proportion is denoted P Level of significance is denoted by α

Q: What are some of the key aspects to consider when collecting and preparing data for statistical…

A: Data collection: It is the process of collecting information on variable of interest for statistical…

Q: Why are identification numbers generally not used in statistics?

A: Identification number is unique ID to represent a unique individual. The Identification numbers are…

Q: s statistical test

A: Athlete   Non-athlete   Donut Bagel Donut Bagel Procedure for Hypothesis Testing is given as…

Q: Explain about z Test for a Population Mean.

A:

Q: rence between descriptive statistics and inferential statistics.

A: Descriptive and inferential statistics are the two main branch of the statistics.