Statistics

Compute a Goodness of Fit Chi Square. Report and interpret your results including the value of chi square, degrees of freedom and statistical and practical significance.

PSY212:Assignment #5 Chi Square and Regression 80 points TYPE all of your answers in addition to the pictures of your work. A store owner is trying to decide whether he should order equal amounts of four types of milk (skim, 1%, 2%, and whole). To help determine if certain kinds of milk are more popular, […]

Are the ramifications of running your tires at 38 PSI? What is the manufacturer of the tire telling us about running a tire higher or lower than the recommended range?

Confidence Intervals We Use Everyday Discussion Your car’s owner’s manual states that the tire pressure should be 32 Pounds Per Square (PSI) Inch + 3 PSI; what: Is the range of properly operating tire pressure? Is the Error term? Are the ramifications of running your tires at 38 PSI? What is the manufacturer of the […]

Using the fence rule, determine if data set has any outliers. Construct a qqplot and a qqline and determine if this data set is approximately normal.

ASSIGNMENT The center thickness (in mils) of a sample of twenty-five contact lenses are given below 0.3978               0.4019               0.4031               0.4044               0.3984             […]

Prepare a stats research report that include a clearly state of the analyses you intend to do Using R Studio.

Stats Research Report What need to include in research report: Description of the study / The research question. If you know how the variables were measured, include a short description of that. (3 pts) Clearly state the analyses you intend to do Using R Studio. (3 pts) Report the test results (include all required values, […]

How many redhorse individuals have been measured for LEN_MM (total length) in this dataset? What years does this dataset span?

Testing Goodness-of-Fit for a Single Categorical Variable               How many redhorse individuals have been measured for LEN_MM (total length) in this dataset? (1/4 pt) What years does this dataset span? (1/4 pt) Which redhorse species is most abundant in Minnesota? (1/4 pt) Describe the distribution shape of LEN_MM for redhorse overall (1pt).

Watch the videos of linear regression and complete the Excel sheet by giving a grade based on the criteria and writing a small review of 3 stat project videos.

Linear Regression Review and grade 3 videos of linear regression Watch the videos and complete the Excel sheet by giving a grade based on the criteria and writing a small review of 3 stat project videos. 5)https://www.youtube.com/watch?v=6df_4pYb8F4 , 8) https://www.youtube.com/watch?v=kYQDE573ECg , 11) https://vimeo.com/821533866?share=copy + https://youtu.be/zS5Ui7RStpU  

Use One-Way ANOVA in google sheets to find whether there is a significant difference in crop yield between the four farms. State hypotheses.

ANOVA Google Sheets Homework Suppose we are interested in studying the effect of different types of fertilizer on the yield of wheat crops. We have collected data from four different farms, each using a different type of fertilizer. The yield in tons per acre for each farm is shown below: Farm 1: 2.5, 3.1, 3.5, […]

Write down the aliases structure for the main effects and two order interactions (ignore higher order interactions) and confirm the resolution of the design.

Stat 490 Group project In experimental design, designing an experiment is as important as analyzing the results. Through the semester we have learned 4 ways to design an experiment Design an experiment that is BIBD. Design an experiment that is an optimal design. For these two types of designs you need to use R language […]

Using the data in the Excel file Census Education Data, construct a joint probability distribution for marital status and educational status.

Census Education Data Using the data in the Excel file Census Education Data, construct a joint probability distribution for marital status and educational status. You can make diagram in excel What is the probability that a person is divorced and has a bachelor’s degree? What is the probability that someone known to have an advanced […]

Create a live-number summary of SAT score along with its’ mean and cons tilts of Comment on the shape of the distribution of SAT score.

Department of Applied Statistics & Research Methods Attempt all the questions Question 1 Create a two-way frequency table of Smoker and Sex and draw the bar diagram. Write the comment on it. (10 points) Instructions Download student survey data file from CANVAS Step I. open Statkey click on two categorical variables Step 2. click on […]

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