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Examine the data below and tell me the formula or formulas you would apply to this data, plus what is the IV and the DV.
Use the Current Sample "A" 51 stocks (the current price) and Old Sample "A" (the price for one year ago) to calculate a paired test
I am sure many of you remember the fateful event that occurred in 1986 with the Space Shuttle Challenger disaster.
Make an Excel scatter plot. What does it suggest about the population correlation between X and Y?
How many variables are in a Z and T test? What are they? What are their levels of measurement?
A researcher wants to know if there is a difference in people's stress before and after taking a drug. The lower the number, the less their stress level.
Conduct an experiment comparing two treatment conditions which contain data with 10 scores for each treatment condition
Describing how the accuracy of Olympic marksmen can be affected by heartbeats. Pelton (1983) reported that Olympic - level marksmen shoot
The principal of your local school announces to the school-community group (of which you are a part) that funding will be cut next year
One sample has SS= 35 and the second sample has SS=45.
Indicate whether the factor influence the numerator or denominator of the t statistic and determine whether the effect would be to increase the value
A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population.
Using the raw measurement data presented below, calculate the t value for independent groups to determine whether or not there exists a statistically
Use a single sample t test to determine whether sample 1 is significantly above the average of 30/kg/m2. One tailed test with a = .01
An experiment was conducted to compare mean reaction time to 2 types of traffic signs, prohibitive (No Left Turn) and permissive (Left Turn Only)
Is the illustration below at the end best labeled as a two way table? Explain:
The random error for this test comes from the fact that salary can have a variety of ranges based on type of occupation, personal ability
It has been concluded that mildly obese people spend less time standing and walking (on average) than lean people
Coaching compaines claim that their courses can raise the SAT scores of high school students. Of course, students who retake the SAT without paying for coaching
Suppose a new weight loss program was sponsored by the local health and fitness club in a small town
Markowitz and Felson (1998) examined how attitudes toward violence may differ between the general population and ex-offenders.
Community policing strategies have been useful in some jurisdictions to reduce crime.
An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can only inspect 46 mice
Use these parameters to solve and compare.
AU Cellular believes their sales are more consistent than their rival Softbank Cellular. Below is the number lost calls a day over the last seven days