ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
STT102
1 / 50
1. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
2 / 50
2. Consider Attitude Scores for five newly admitted Nursing students towards alcoholic patients below: Attitude: 5, 4, 3, 2, 1 . The percentage due to attitude 3 is ________
3 / 50
3. Find the value of [S_{w_1w_2}] in question one above
4 / 50
4. Consider Attitude Scores for five newly admitted Nursing students towards alcoholic patients below: Attitude: 5, 4, 3, 2, 1 . The percentage due to attitude 3 is _________
5 / 50
5. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
6 / 50
6. Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
7 / 50
7. Suppose [X_{m}] is the Mode. Find [X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
8 / 50
8. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
9 / 50
9. The following data were collected on ten infants. Fin the standard error, [S_{yx}]. Where [S_{yx}^2 = sum_{i=1}^{10} ({y_{i} - hat {y_{i}}})^2] and [y_{i}] are the observed values , [hat y_{i}] are the predicted values
10 / 50
10. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
11 / 50
11. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
12 / 50
12. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
13 / 50
13. Given the sets 2, 5, 8,11,14 find the standard deviation
14 / 50
14. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
15 / 50
15. Z=4X−3Y Z=4X−3Y, find the value of Z corresponding to X=1,Y=−15 X=1,Y=−15.
16 / 50
16. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
17 / 50
17. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
18 / 50
18. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
19 / 50
19. The data below represent systolic blood pressure readings (mm Hg), using Spearman's Rank Order Correlation method, determine correlation coefficient [r_{s}] of the two readings.
20 / 50
20. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
21 / 50
21. Suppose [X_{m}] is the Mode. Find [X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
22 / 50
22. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
23 / 50
23. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
24 / 50
24. From the above, evaluate [S_{w_2w_2}].
25 / 50
25. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
26 / 50
26. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
27 / 50
27. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
28 / 50
28. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
29 / 50
29. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
30 / 50
30. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
31 / 50
31. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
32 / 50
32. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
33 / 50
33. From the above, evaluate [S_{w_2w_2}].
34 / 50
34. Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
35 / 50
35. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
36 / 50
36. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
37 / 50
37. Final examination in mathematics, the mean was 72 and the standard deviation was 15. Determine the standard score of students receiving the grades 60
38 / 50
38. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
39 / 50
39. Find the area under the standard normal curve to the right of (-1.28)
40 / 50
40. Find the area under the standard normal curve that lies the left of 1.32
41 / 50
41. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
42 / 50
42. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
43 / 50
43. Given the general form of linear equation [y = b + b_{1}X]. If [b_{1} > 0], then the line slopes
44 / 50
44. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
45 / 50
45. Given the general form of linear equation [y = b + b_{1}X]. If [b_{1} > 0], then the line slopes ________
46 / 50
46. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
47 / 50
47. The probability of sun to rise from the east is _________
48 / 50
48. Find the value of [S_{w_1w_2}] in question one above
49 / 50
49. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
50 / 50
50. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
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