Question 1: this is for question 1 to 4. 2 weekly score of a student below. find Sw1w1
Data layout: study these data below and answer the questions that follow
| w1 | 80 | 40 | 75 | 50 | 30 | 50 | 75 | 60 | 65 | 80 |
| Score w2 | 75 | 50 | 70 | 50 | 35 | 45 | 80 | 65 | 65 | 85 |
Answer is: 6312. 5
Question 2. consider attitude scored for 5 newly admitted nursing a student towards alcoholic patient below: attitude: 5, 4, 3, 2, 1.The percentage due to attitude 3 is_______?
answer is: 0.2.
question 3 from the above, evaluate Sw2w2
data layouts: study these data below and answer the questions that follow
| w1 | 80 | 40 | 75 | 50 | 30 | 50 | 75 | 60 | 65 | 80 |
| Score w2 | 75 | 50 | 70 | 50 | 35 | 45 | 80 | 65 | 65 | 85 |
answer is: 2440
Question 4: find the value Sw1w2
data layout: study these data below and answer the questions that follow
| w1 | 80 | 40 | 75 | 50 | 30 | 50 | 75 | 60 | 65 | 80 |
| Score w2 | 75 | 50 | 70 | 50 | 35 | 45 | 80 | 65 | 65 | 85 |
answer is: 4335
question 5. in the edge distribution of recipient of nursing scholarship off 25, 21, 22, 19, 30, 27, 28, 32, and 18. determine the variance.
Hint use EQUATION: Equation= EQUATION: Equation EQUATION: Equation
Answer is 251.6
Question 6: the data below represent systolic blood pressure reading mmhg using spearman rank order correlation method, determining correlation coefficient rs
of the two readings
| Reading | N1 | 130 | 140 | 136 | 150 | 120 | 165 |
| N2 | 125 | 135 | 135 | 160 | 160 | 125 |
answer is rs = -0.32
question 7: the following data are collected on ten infants. find the standard error where
EQUATION: Equation
EQUATION: EquationEQUATION: Equation
yi
The observed values and
EQUATION: Equation
The data bellow represent systolic blood pressure readings (mmHg)he Question follow
The predicted value
| Age weeks | 6 | 3 | 2 | 2 | 1 | 3 | 4 5 | 7 | 4 |
| Weight kg | 6.0 | 2.5 | 2.0 | 2.0 | 2.0 | 3.0 | 4.0 4.5 | 6.5 | 3.5 |
Answer is EQUATION: Equation
Question 8: one precaution in correlation is that ______?
Answer is: correlation means that one variable is not independent of the other
Question 9: determine Correlation Y using the above value or from your direct-calculation
data layouts: study these data below and answer the questions that follow
| w1 | 80 | 40 | 75 | 50 | 30 | 50 | 75 | 60 | 65 | 80 |
| Score w2 | 75 | 50 | 70 | 50 | 35 | 45 | 80 | 65 | 65 | 85 |
Answer is 0.95
Question 10: given the general form of linear equestion y = b + b1X
.if b1
0, then the line slopes
Answer is downward
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