Independent t-test
Describe a fictional two-group experiment that could be tested with an independent t-test but violates the assumption required for homogeneity of variance. Explain what the researcher could have done to avoid this problem
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A banner is suspended from a horizontal, pivoted pole. The pole is 2.10 m long and weighs 170 N. The banner, which weighs 105 N, is suspended 1.80 m from the pivoted point or axis of rotation. What is the tension in the cable supporting the pole?
A sample of methane gas having a volume of 2.80 L at 25 degrees Celsius and 1.65 atm was mixed with a sample of oxygen gas having avolume of 35.0 L at 31 degrees Celsius and 1.25 atm. The mixture was then ignited to form carbon dioxide and water.
Two speakers, one directly behind the other, are each generating a 235-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed
What is the test value for this hypothesis test? Test value: Round your answer to three decimal places. What is the critical value?
What is the optimal number of cases to have on hand to minimize expected total costs in a single week? show your calculations.
A speeder passes a parked police car at a constant speed of 21.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.7 m/s^2. How much time passes before the speeder is overtaken by the police car? Answer in unit
Ammonia NH3 with Kb = 1.8 x 10^05 is added to 100 mL of waterat room temperature and the vapor pressure of water above the soultion drops to P = 0.03 atm.
The defenders of a castle throw rocks down on their attackers from a 11.5 m high wall. If the rocks are thrown with an initial speed of 13.2 m/s, how much faster are they moving when they hit the ground than if they were simply dropped?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult