Drag each interval to a box to show if the function shown is increasing, decreasing, or neither over that interval.
2 answers:
Answer:
Increasing : or
Decreasing : or
Neither :
Step-by-step explanation:
Increasing function : In this function, the y-value increases as the x-value increases.
From the given graph it is clear that the function is increasing on
Decreasing function : In this function, the y-value decreases as the x-value increases.
From the given graph it is clear that the function is decreasing on
Neither increasing nor decreasing function : In this function, the y-value remains constant as the x-value increases.
From the given graph it is clear that the function is neither increasing nor decreasing on
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Answer:
we cannot conclude hat the proportion of wives married less than two years who planned to have children is significantly higher than the proportion of wives married five years
Step-by-step explanation:
Given that in a study on the fertility of married women conducted by Martin O’Connell and Carolyn C. Rogers for the Census Bureau in 1979, two groups of childless wives aged 25 to 29 were selected at random, and each was asked if she eventually planned to have a child. One group was selected from among wives married less than two years and the other from among wives married five years.
Let X be the group married less than 2 years and Y less than 5 years
X Y Total
Sample size 300 300 600
Favouring 240 288 528
p 0.8 0.96 0.88
p difference = -0.16
Std error for difference =
Test statistic = p difference/std error=-6.03
p value <0.000001
Since p is less than alpha 0.05 we cannot conclude hat the proportion of wives married less than two years who planned to have children is significantly higher than the proportion of wives married five years