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victoria6929
19.12.2019 •
Mathematics
Nati randomly selected 10 girls and 10 boys from her 7th grade class and recorded their heights in inches. the results are shown. girls: 61, 58, 63, 57, 58, 59, 62, 60, 64, 56 boys: 58, 55, 63, 60, 58, 65, 60, 57, 63, 62 a. find the mean and median of the girls’ heights. show your work.
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Ответ:
Mean= 59.8 and median = 59.5
Step-by-step explanation:
Mean = Summation of values/ No. of Values
Mean of Girls' height= 61+58+63+57+58+59+62+64+60+56/10
Mean= 598/10= 59.8
Arranged Data = { 56, 57,58,58,59, 60, 61,62,63,64}
As the number of observations is even so the 5th and 6th value will be added and divided by 2
59+60/2= 59.5
Median = 59.5
Ответ:
AACTGCT
Step-by-step explanation:
Base-pairing of DNA is complementary. Pyrimidines (Cytosine & Thiamine) pair with purines (Adenine & Guanine).
Specifically, Adenine pairs with Thiamine while Guanine pairs with Cytosine. This strict base-pairing rule also helps DNA replication to be of high fidelity with very rare errors. The two complementary sequences are usually antiparallel to each other.