Stats Help for College-level Students

Kurtosis & Skewness Analysis

My request can thus be summarized as kurtosis / skenwess analyis of data with graphs if possible APA presentation of these results joined up with the already calculated means data in the document! Some Particularls: This problem has been posted previously and answered by an OTA, who "showed me the way." I did so and g ...continues

Linear Regression

Regression, see attachment

Differential equations to describe infection rates

Use models to describe the population dynamics of disease agents. Total population is a Constant (T). A small group of infected individuals are introduced into a large population. Describe spread of infection within population as a function of time. This disease which, after recovery, confers immunity. The population can be ...continues

Differential equations to describe infection

Use models to describe the population dynamics of disease agents. Total population is a Constant (T). A small group of infected individuals are introduced into a large population. Describe spread of infection within population as a function of time. This disease which, after recovery, confers immunity. The population can be ...continues

Regression

Can you please help me interpret and predict what the sales are going to look like in upcoming months based on a regression analysis? This is the information that I have and need to figure out as I was asked to interpret and predict. The regression equation is number of invoices per month = 138 + 0.000087 amount of sal ...continues

Find the distribution function

Let X1 and X2 denote a random sample of size 2 from a distribution with pdf f(x) = 1/2, 0 < x < 1, zero elsewhere. Find the distribution function and the pdf of Y = X1/X2.

Intro to Statistics Question

What kind of variable is a geographic location? a. discrete b. continuous c. qualitative d. quantitative

Intro to Statistics Question

What is the midpoint of the class 25.5-38.5?

Intro to Statistics Question

Using a class number of 8, a highest value of 259, and a lowest value of 125, find the class width.

Intro to Statistics Question

What kind of graph represents the cumulative frequencies for the classes in a frequency distribution?