Question
This assignment will help introduce you to t-tests. Please go to the following website: https://www.scribbr.com/statistics/t-test/(Links to an external site.) Then, use the information presented to
This assignment will help introduce you to t-tests. Please go to the following website: https://www.scribbr.com/statistics/t-test/(Links to an external site.)
Then, use the information presented to answer the following questions:
1) A t-test utilizes data from 2 variables similar to Pearson's correlation. In a Pearson's correlation, your two variables are both on a consistent scale (i.e. interval/ratio). In a t-test, the dependent variable is on a consistent scale (i.e. interval/ratio), while the independent variable is on what type of scale?
2) What is the difference between a paired samples t-test and an independent (two samples) t-test?
3) Imagine an example where we want to compare Students and Professors on their stress levels. We collect data on 2 variables using the following questions: 1) Are you a Student or a Professor? 2) How stressed are you from 1(Not at all) to 10(Extremely). What type of T-Test should we use to make this comparison? What would our Null Hypothesis be?
Correlational study 2 variable Hight and weight Hight ( x ) ( weight ( ! ) XY x 2 yz 5.9 123 725.7 34.81 15129 6. 2 682 6.2 38.94 12100 30 5.7 802 38. 49 16900 25 712.5 32.49 15625 761.6 40.96 6 14161 140 840 36 5.6 19600 50 840 5.7 31. 36 22500 135 769.5 32,49 6.1 18225 120 732 37.21 6.2 14400 713 38. 49 13225 = 60 = = 1267 2: 7578.3 5 = 360.64 E= 161865 v = n Exy ( E x / Zy ) 1 [ n ( 2 x 7 ) . ( E X ) ? ] [ N ( E Y 2 ) - ( Ey ) = ]Y = 10 ( 7578.3) - 60(1267) 10 - 360.64-(60)2 7/ 10-161865- (1267)?] = 75783-76020 3606.4-36007 1618650- 1605289 = - 237 - 237 = - 8104 [ 6.4 . 1 13361) ~64 x 1336 It a Negative Correlation Significance level 0.10 the p-value is , 004 466 The result is significant at pc. 10Step by Step Solution
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