When is the age-standardised death rate more appropriate for comparing populations and when is crude death rate more appropriate?

Q: Among the measures of center discussed, which is the only one appropriate for qualitative data?

A: Measures of center: Mean: The arithmetic mean (also called the mean) is the most commonly used…

Q: rue or False. It is important for researchers to account for the loss of participants during…

A: When estimating sample size, it is not important for researchers to account for attrition or loss…

Q: What are the ethical guidelines for statistical practice? How do they help get results for research?

A: Good statistical practice is fundamentally based on transparent assumptions, reproducible results,…

Q: 25. A study was conducted to determine whether the difference in fuel economy (miles per gallon) for…

A: Given, t- value is less than critical value

Q: If the standardized mortality ratio from a textile worker industry were 4.0 or 400% and the…

A:

Q: ses a preliminary estimate of the proportion who smoke of 0.30. (a) How large a sample should be…

A: It is given that Population proportion, p = 0.30Margin of error, E = 0.02Confidence level = 95%

Q: 2. What are the differences between qualitative and quantitative data analysis?

A: Difference between qualitative and quantitative data analysis

Q: Ideally, a researcher using grounded theory should... Group of answer choices finish when the…

A: The objective of the question is to understand the ideal approach a researcher should take when…

Q: What research decision influences the magnitude of risk of a Type 1 error?

A: The type I error is the error which results in rejecting the null hypothesis when it is true.

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: Do you think it is reasonable to assume a statistically significant relationship between companies’…

A: Theoretical Question need explaination

Q: 9. In Brooklyn, on average nearly four-fifths of residents (79.86%) have a first dose of their COVID…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Explain the importance of direct and indirect standardised death rates.

A:

Q: Describe similarities and differences between sample findings and population facts and between…

A: We need to state differences between 1. Sampling findings and population facts 2. parameter and…

Q: To examine bivariate data graphically, the best choice is two side by side histograms? Define this…

A: Introduction: A histogram is a graphical display mainly used to plot a univariate continuous…

Q: hy is an interval estimate for the population preferred to a point estimate?

A: We know that  Point estimate : It is a single value (Statistic) used to estimate the population…

Q: 6. Which of the graphical procedures for qualitative data do you prefer? Why?

A: The qualitative data is the data which cannot be expressed in the numbers. For example: gender,…

Q: How can the use of existing data and statistics help researchers? What are the benefits of using…

A: Here we have to explain how the statistics helps researchers in analyzing or using the existing…

Q: Are the statistical techniques used in the analysis of data appropriate to the levels of measurement…

A: Statistics               Statistics is widely used to gathering the different datasets,…

Q: With reference to Healthcare, explain the applications of Statistical Quality control.

A: Statistical quality control is the use of statistical approaches to the monitoring and maintenance…

Q: 1. State whether it will experimental or observational 2. If observational, identify which type…

A: Given that - We will get the age-adjusted incidence rates of kidney disease in 30 different…

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: Why is it important to include a test of effect size when reporting our statistical test results?

A: Effect size:-   effect size is a quantitative measure of the magnitude of the experimenter…

Q: Why researcher use different estimation method in order to do their research?

A:

Q: 2). What is the major problem with using the Range as the measure of variability?

A: Range is measure of variability

Q: Explain the relationship between the population mean ?, sample mean ?̅, and a value of the sample…

A:

Q: What other options are there to guarantee the accuracy of the data collected in the field?

A: Here, it is needed to find the options those are guarantee for the accuracy of the data collected in…

Q: 3. A researcher suspects that the actual prevalence of generalızed anxiety amony adolescents is…

A: Denote p as the true proportion of the prevalence of generalized anxiety among children and…

Q: how would you collect data with people in this time of pandemic?

A: Plan ahead for different COVID scenarios, and draft a budget that assumes the worst. Recruit an…

Q: In a test of significance, you can conclude there is a statistically significant relationship when:

A: The provided information is as follows:The objective of the given question is to determine when…

Q: Is there a relationship between age and anemia?

A: Relationship between anemia and age

Q: What are some common statistical techniques used in data analysis, and how are they used to draw…

A: There are numerous statistical techniques used in data analysis to draw conclusions from data. Here…

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: The term clinical means that the study involves people.  True  False

A: Given, The term clinical means that the study involves people.

Q: Why do statisticians prefer experimental studies over observational studies?

A: Why do statisticians prefer experimental studies over observational studies?

Q: What are the key Issues in Quantitative Research? Why are they issues?

A: The Quantitative data can be divided into two parts. One being discrete and other continuous. As the…

Q: What do we assume our Level of Significance to be unless otherwise specified?

A: Significance level ( alpha ) :  The significance level, also denoted as alpha or α, is a measure of…

Q: Suppose we measure GPA for people in our class, we find the mean is 2.8 and the median is 3.2. What…

A: Given: Mean = 2.8 Median = 3.2

Q: What statistical methods are typically used in an inferential study?

A: There are two major parts in Inferential statistics, i. Estimation ii. Hypothesis Testing So, these…