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. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
2 / 50
2. From the above, evaluate [S_{w_2w_2}].
3 / 50
3. Suppose [X_{m}] is the Mode. Find [X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
4 / 50
4. Find the area under the standard normal curve that lies the left of 1.32
5 / 50
5. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
6 / 50
6. Find the area under the standard normal curve to the right of (-1.28)
7 / 50
7. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
8 / 50
8. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
9 / 50
9. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
10 / 50
10. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
11 / 50
11. Find the value of [S_{w_1w_2}] in question one above
12 / 50
12. Final examination in mathematics, the mean was 72 and the standard deviation was 15. Determine the standard score of students receiving the grades 60
13 / 50
13. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
14 / 50
14. 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 _________
15 / 50
15. Suppose [X_{m}] is the Mode. Find [X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
16 / 50
16. 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
17 / 50
17. Given the general form of linear equation [y = b + b_{1}X]. If [b_{1} > 0], then the line slopes
18 / 50
18. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
19 / 50
19. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
20 / 50
20. From the above, evaluate [S_{w_2w_2}].
21 / 50
21. Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
22 / 50
22. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
23 / 50
23. 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.
24 / 50
24. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
25 / 50
25. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
26 / 50
26. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
27 / 50
27. The probability of sun to rise from the east is _________
28 / 50
28. 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 ________
29 / 50
29. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
30 / 50
30. Z=4X−3Y Z=4X−3Y, find the value of Z corresponding to X=1,Y=−15 X=1,Y=−15.
31 / 50
31. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
32 / 50
32. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
33 / 50
33. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
34 / 50
34. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
35 / 50
35. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
36 / 50
36. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
37 / 50
37. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
38 / 50
38. Given the general form of linear equation [y = b + b_{1}X]. If [b_{1} > 0], then the line slopes ________
39 / 50
39. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
40 / 50
40. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
41 / 50
41. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
42 / 50
42. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
43 / 50
43. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
44 / 50
44. Find the value of [S_{w_1w_2}] in question one above
45 / 50
45. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
46 / 50
46. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
47 / 50
47. Given the sets 2, 5, 8,11,14 find the standard deviation
48 / 50
48. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
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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