Number of Pill bugs(isopods) in each chamber over time(warm vs cold) Trials Warm cold 1 3.2 6.8 2 3.6 6.4 3 3.4 6.6

Q: How do I calculate to get this std dev answer?

A: Given Information: Proportion p=0.40 Sample size n=50 Based on the concept of Central limit theorem,…

Q: how are parameters and statistics related?

A: Parameter: The parameter is used to explain the entire population. For example, a teacher calculated…

Q: The top schools HCC students transfer to are below from highest to lowest.  This type of data is…

A: We have given the following statement

Q: What is the coefficient of determination for the data above?

A: Step-by-step procedure to find the regression line using Excel: In Excel sheet, enter x and y in…

Q: How does the size of the cross-tabulation table impact the chi-square value.

A: Introduction: The chi-squared data is often expressed in a cross-tabulation, where each row…

Q: Explain what restriction of range is and what it tends to do to the magnitude of a correlation.

A: Note: Hello! As you have posted multiple questions, we are answering the first question. In case you…

Q: whats negative skew?

A:

Q: Explain what a correlation coefficient (r-value) is and how we can use it to help us interpret a…

A: The correlation coefficient, often denoted as 'r', is a statistical measure that calculates the…

Q: A researcher finds a correlation (r) of 0.50 between height and weight. what variation in weight can…

A: Given: Correlation (r) = 0.50

Q: An instructor teaching an 8 am class randomly samples a group of students who regularly attend class…

A: Generally Coffee tends to reduce the amount of sleep a person gets. So, we expect that more the…

Q: no rawn to scale corresponaing to the data in the exercises. a

A: by using pythagoras theorem

Q: What does MS between reflects?

A:

Q: Liam surveyed 100 random students to see if they prefer Marvel or DC movies. Female Male Total…

A: For any two events A and B, it is known that P[A ∪ B] = P[A]  + P[B] – P[A ∩ B].

Q: How does a histogram work? How do I make one?

A: A histogram is a graphical representation of continuous numerical data using rectangular bars. It…

Q: The variance is sometimes a negative number.

A:

Q: Describe the relationship between x and y in a positive correlation and in a negative correlation.…

A: The positive correlation indicates that if x increases then y will also increase. This shows that x…

Q: Duration is what typye of data?

A:

Q: please show the work for the problems with an explanation versus just shwoing calculated data.

A: To check the relationship b/w age and miles on the car.

Q: Chi-square is different.

A: What Is a Chi-Square Statistic? A chi-square (χ2) statistic is a measure of the difference between…

Q: (b) (i) Describe the skewness of the above histogram. (ii) Describe the shape of the above histogram…

A: Note: Hey there! Thank you for the question. Although the term “histogram” has been used to describe…