Mathematics, 14.11.2019 04:31 pinkycupcakes3oxbqhx
These 74 girls are an srs of all seventh‑grade girls in the school district. suppose that the standard deviation of iq scores in this population is known to be =11 . we expect the distribution of iq scores to be close to normal. the distribution's stemplot is given. 8 6 9 9 0 1 3 3 9 6 7 7 8 10 0 0 2 2 3 3 3 3 4 4 10 5 5 5 6 6 6 7 7 7 7 8 9 11 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 4 4 4 4 11 5 5 6 8 8 9 9 9 12 0 0 3 3 4 4 12 6 7 7 8 8 8 13 0 2 13 6
select the explanation that best answers whether or not there are departures from normality.
a. there is a departure from normality because the data looks approximately uniform.
b. there is no departures from normality because the data looks approximately bell‑shaped.
c. there is no departures from normality because the data looks approximately right‑skewed.
d. there is no departures from normality because the data looks approximately left‑skewed.
(b) estimate the mean iq score for all seventh‑grade girls in the school district, using a 98% confidence interval.
select an answer choice.
a. 107.44 to 114.02
b. 108.22 to 113.24
c. 108.63 to 112.83
d. 105.84 to 132.00
Answers: 2
Mathematics, 21.06.2019 15:00
What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
Answers: 3
Mathematics, 21.06.2019 22:40
Explain in a minimum of 2 sentences how to graph the equation of the absolute value function given a vertex of (-1,3) and a value of “a” equal to ½.
Answers: 2
Mathematics, 22.06.2019 01:00
The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?
Answers: 3
These 74 girls are an srs of all seventh‑grade girls in the school district. suppose that the standa...
Mathematics, 24.09.2019 20:10