Unit 1 statistics sophia Study guides, Class notes & Summaries

Several scientific and statistical studies have been done to determine whether or not pollutants in soil increase the incidence of cancer. A study based on many previous studies summarizes that there is no link between pollutants in soil and cancer. This kind of statistical study is called a __________. Clinical trial Prospective study Matched-pair design Retrospective study RATIONALE Since the data has already been collected it is called a retrospective study design. CONCEPT Prosp...

Sarah wanted to review what others thought of a new video game she was interested in before she purchased it. She noticed that on the website from a large online retailer, the game received an overall rating of 4.5 stars. Which of the following is an example of selection bias?  Sarah reviews several different star ratings to get a sense of what all users thought about the game.  Sarah only reads the 5-star reviews to make a decision on whether or not to buy the game.  Each per...

Jenae noticed that many of her co-workers would opt for the coffee that appeared to be most recently brewed, regardless of the flavor of the coffee offered. This leads her to believe that what she was witnessing was not really representative of everyone's true flavor preferences. She adapted her experimental study accordingly. Select one control in Jenae's experimental study. Jenae places condiments at random places throughout the kitchen. Jenae makes sure that the coffee in different pot...

SOPHIA PATHWAYS Environmental Science Milestone 1. Introduction In this assignment, I will be choosing two physiological disorders by explaining why this happen, which body system it will affect and what happen to our body because of this specific disorders . During this assignment I will be explaining the symptoms and signs of the disorders, and also how to diagnose the ways of difficulties in the symptoms of the specific disorders and these will all meet my Pass task criteria that include...

Several scientific and statistical studies have been done to determine whether or not pollutants in soil increase the incidence of cancer. A study based on many previous studies summarizes that there is no link between pollutants in soil and cancer. This kind of statistical study is called a __________. Clinical trial Prospective study Matched-pair design Retrospective study RATIONALE Since the data has already been collected it is called a retrospective study design. CONCEPT Prospecti...

Statistics Unit 5 Milestone Course Hero rated A download to score ASTATISTIC UNIT 5 MILESTONE COURSE HERO 6/29/2020 Sophia :: Welcome If we first note the denominator of Then, getting the z-score we can note it is This tells us that 36.1 is 2.83 standard deviations above the value of 36. Note that when you round some values you may get slightly different results, but the results should be relatively close to this final calculated value. CONCEPT Z-Test for Population Means 2 Emile has calculated ...

The following table shows the types of homes in which residents were living in 2010. 2010 Housing Data Type of Home Frequency Single-Family Detached 1748 Single-Family Attached 442 Small Apartment Building 1247 Large Apartment Building 1056 Mobile Home 173 Other 134 To accurately display the mobile home category on a pie chart, an angle that is approximately ________ would need to be created.  a.) 13 degrees  b.) 79 degrees  c.) 131 degrees  d.) 94 degrees The follo...

Statistics Unit 5 Milestone Course Hero rated A download to score ASTATISTIC UNIT 5 MILESTONE COURSE HERO 6/29/2020 Sophia :: Welcome If we first note the denominator of Then, getting the z-score we can note it is This tells us that 36.1 is 2.83 standard deviations above the value of 36. Note that when you round some values you may get slightly different results, but the results should be relatively close to this final calculated value. CONCEPT Z-Test for Population Means 2 Emile has calculated ...

Sophia Introduction to Statistics Unit 4 – Milestone 4 (Below is a compilation of all questions for Unit 4 – Milestone 4. The answers are 100% correct, and it guaranteed to earn you a perfect score in this unit. For a faster search, just hit on ctrl f on windows, or command f on mac. Good luck!) You passed this Milestone 18 questions were answered correctly. 1 Data for length of the tail (in millimeters) and age (in days) of tadpoles is entered into a statistics software package and ...