what is the appropriate statistical analysis to determine whether males and females differ?

Q: Imagine a study comparing two groups:  undergrad vs. graduate students in terms of stress level.  To…

A: Provided that here is a study comparing two independent groups :  undergrad vs. graduate students in…

Q: What kinds of statistical data might a burglar alarm company employ in trying to convince urban…

A: To convince the urban homeowners to buy burglar alarm system, an alarm organization could utilize…

Q: What is the test Statistics? Of the problem in the picture

A: Given: p0=23=0.67x=25n=40p^=2540=0.625α=0.01

Q: Why should I learn statistics?

A: Statistics helps us to describe and organize data. It also helps us to make inferences from data.

Q: The table and the bar chart below summarize the age at diagnosis, in years, for a random sample of…

A: State the hypotheses.

Q: How can I create a histogram when the only data I have is the percentage of 16 year olds who used…

A: To construct the histogram, the first thing is to determine the number of class intervals. There is…

Q: What is discriminatory ability or power in statistics and how can you show it on course assessments?

A: Please find the explanation below. Thank you

Q: Can one "trust"

A: Statistics is the study of collecting , analyzing and interpretation of the data.

Q: In this section, we discussed two types of statistical designs. Identify and explain the meaning of…

A: The two types of statistical designs are,Completely randomized design.Randomized block design.

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: If there are 36 data points in a set of data, what is the number of degree of freedom?

A: The basic definition of degree of freedom says that how many observation is free that is for how…

Q: In statistical analysis, the burden of proof lies traditionally with:

A: A test is said to be statistically significant if the null hypothesis is

Q: What is the test statistics? From the problem in the picture

A: Given - n1=20, x1=8.2, s1=5.9n2=30, x2=5.6, s2=5.7

Q: what was the primary use of statistics in ancient times

A: In ancient times, Statistics was primarily used by the rulers or kings in order to collect…

Q: For each student in a study, demographic data are collected, including age, gender, and…

A: For each student in a study, we are collecting the demographic data including age, gender, and…

Q: what is the importance of statistics

A: Importance of statistics  1) Statistics is important in decision making based on the data. 2)…

Q: How is statistics used in information systems?

A: statistics is used for data mining ,speech recognition ,vision and image analysis ,data compression…

Q: Choose the best answer for the statistical conclusion.

A: Given information: The data represents the turnaround time for 4 types of contractors and 3 types of…

Q: In this investigation, you learn how to decide if a value of x2 is statistically significant. How…

A: Here we have been provided with two samples falling into various categories. We will use Chi-Square…

Q: For each question, determine whether it is a statistical question. If it is a statistical question,…

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

Q: What is level of significance?

A: Level of significance: The significance level is a value used as a criterion for deciding how small…

Q: What is the goal of statistics?

A: The main purpose of statistics is to understand the data deeply.

Q: What are application of statistics and math?

A: Statistics help in providing data as well as tools to analyze the data. Some powerful techniques are…

Q: how many sports played male vs female based on the data

A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…

Q: When it comes to statistics, what are variables and operational definitions? What is their purpose…

A: Operational variables usually define and measure a specific variable as it is used in the study.…

Q: What are the six steps to statistical testing? Explain Each step.

A: The six steps in hypothesis testing.

Q: In a sample of 81 elements, the mean was 60 and the variance was 144. What is the standard error for…

A:

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: why is it  important for students to know something about statistics as applied to psychology?

A: Yes it is important for students to know something about statistics as applied to psychology…

Q: Pick a sample problem where despite correlation, causation cannot be reasonable argument.

A: Let us take an example of sales of umbrella and sales of raincoats. Sale of raincoats Sale of…

Q: If a researcher failed to use a random sample, how would this affect the research conclusion?   If…

A: Any test criteria's basic assumption is to select a sample that is random. A random sample would be…

Q: In psychology, what are two factors that decrease statistical power?

A: Factors that affect power are There are 3 factors that affect power are :-• Sample size (n) : -…

Q: How can I describe this set of data based on statistics?

A: Following observations can be made from the given data. Standard deviation has a lower value as…

Q: What are your ideas about the topic of Gathering and Cleaning the Data? Why do you think this topic…

A: Data preprocessing a step in data analysis when the raw data is converted to an understandable form.

Q: doesn't the mean of a sample population equal the true proportion?

A: Yes, the sample population is equal to true proportion.

Q: Your Statistics instructor wants to determine whether students who have previously taken an online…

A: The response variable is also known as the dependent variable.

Q: When we comparing the hospitals in our area for seeking a better care, what statistics or data we…

A: It is an important part of statistics. It is widely used.

Q: what are the applications of statistics on an academic setup?

A: Statistics is the branch of applied Mathematics in which we do collection, interpretation, analysis…

Q: What is the relationship of population, sampling, sample, and inference in statistics?

A: Statistics is a field of study which involves collecting, arranging, analyzing, and drawing…

Q: What is the level of significance?

A: It is given that the sample size n is 15.

Q: ) In APA format, write out the results of your statistical test:

A: Given information: The MINITAB output for one sample t test is given.

Q: A statistics class is made up of 12 men and 18 women. What percentage of the class is​ male?

A: Given,no.of mens=12no.of womens=18total no.of peoples=30

Q: If a histogram is skewed to the right, explain how this affects the decision making process?

A: In a right-skewed histogram, the tail on the right side is longer than the left side.

Q: test

A: Given: Sample size, n = 10 Mean, μ=14 Sample mean, x = 14.75 Standard deviation, s = 1.75 Suppose…

Q: When the number of data is lesser than 30, what test – statistic are we going to use? How about when…

A: Let, there are two sets of data. One has lesser than 30 and another has more than 30 data. The test…

Q: The variablilty of statistics is described by

A: Variance describe the  variability in the data set.