Archivald grimké, Oswald garrison Villard, Lillian wald, William English walling, Henry moskowitz, W.E.B du bois, ida B wells, and Mary white ovington
Answer:
mean of all 30 students is 69
Explanation:
given data
students = 30
mean = 29
μ = 68 points
student scored = 98 points
to find out
What is the mean for the class of all 30 students
solution
we know here mean score of 29 students is 68
so sum of score is here = 29 × 68
sum of score = 1972
so
sum of 30 students score is = sum of 29 students score + missing score
sum of 30 students score is = 1972 + 98
sum of 30 students score is = 2070
so
mean of all 30 students is = 
mean of all 30 students is = 
mean of all 30 students is 69
It means that the contribution of someone that give their all to a certain effort often much more valuable compared to half-meaning efforts that given by more than one individuals.
This view often implemented in jobs such as programming and accounting, when more than one perspective could alter the final outcome of the works done.
Answer:
Explanation:
Senior citizens are the 'wealth' of knowledge and experience because, since they've been alive for a long time, they will contain more information since they've lived almost 4 times as long as we have.
Answer:
test-retest reliability
Explanation:
Based on the scenario being described it can be said that the psychological construct missing from this intelligence test is test-retest reliability. This is a measure to see how reliable the results of a test are, and is done by administering the same test twice, after a set amount of time has passed. Such as the researcher has done in this scenario.
