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. Find the value of [S_{w_1w_2}] in question one above
2 / 50
2. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
3 / 50
3. 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
4 / 50
4. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
5 / 50
5. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
6 / 50
6. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
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. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
9 / 50
9. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
10 / 50
10. 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 ________
11 / 50
11. Find the value of [S_{w_1w_2}] in question one above
12 / 50
12. Find the area under the standard normal curve to the right of (-1.28)
13 / 50
13. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
14 / 50
14. Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
15 / 50
15. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
16 / 50
16. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
17 / 50
17. This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find [S_{w1w1}]
18 / 50
18. Z=4X−3Y Z=4X−3Y, find the value of Z corresponding to X=1,Y=−15 X=1,Y=−15.
19 / 50
19. The probability of sun to rise from the east is _________
20 / 50
20. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
21 / 50
21. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
22 / 50
22. Final examination in mathematics, the mean was 72 and the standard deviation was 15. Determine the standard score of students receiving the grades 60
23 / 50
23. From the above, evaluate [S_{w_2w_2}].
24 / 50
24. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
25 / 50
25. From the above, evaluate [S_{w_2w_2}].
26 / 50
26. Suppose [X_{m}] is the Mode. Find [X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
27 / 50
27. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
28 / 50
28. 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.
29 / 50
29. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
30 / 50
30. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
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. Suppose [ X_{m}] is the Mode. Find [X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13]
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. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
35 / 50
35. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
36 / 50
36. If X=10, 12, 8, 7, 5 Determine [sum_{i=1}^{5} X_{i}]
37 / 50
37. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
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. Let Y = 2, 5, 6, 7. Find [sum_{j=1}^{4} Y_{j}]
40 / 50
40. Given that X = 20, 30, 40, 50, 60. Find [bar X ].
41 / 50
41. Find the area under the standard normal curve that lies the left of 1.32
42 / 50
42. Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find [bar X_{m}], where [bar X_{m}] is as earlier defined.
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. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
45 / 50
45. Suppose X = 10, 12, 8, 7, 5. Find the value of [(sum_{i=1}^{5} X_{i}-2)^2]
46 / 50
46. Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
47 / 50
47. Given the general form of linear equation [y = b + b_{1}X]. If [b_{1} > 0], then the line slopes
48 / 50
48. Let [bar X_{m}] be the Median Score, Determine [bar X_{m}] in 15, 13, 15, 12, 12, 16, 15, 14, 13
49 / 50
49. Given the sets 2, 5, 8,11,14 find the standard deviation
50 / 50
50. Determine [(sum_{i=1}^{5} X_{i})^2] if X = 10, 12, 8, 7, 5
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