Increase in the Gross National Product best indicate increasing economic.
1 answer:
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Answer:
Answer is option a ) 0.53
Step-by-step explanation:
slope =
Given that a pediatrician wishes to study how the average weight Y (in kilograms) of children changes during the first year of life. He plots these averages versus the age X (in months) and decides to fit a least-squares regression line to the data with X as the explanatory variable and Y as the response variable.
He finds the following quantities:
r = correlation between X and Y= 0.84
x = mean of the values of X = 5.69
y = mean of the values of Y = 6.26
S_x = standard deviation of the values of X = 3.23
s_y = standard deviation of the values of Y = 2.04
Using the formula for slope given above substitute to get
round off to 0.53
Answer is option a ) 0.53
The total amount Lusac have in his savings after 3 more years with 1.8% saving interest is $1055.10.
<h3>What is simple interest?</h3>Simple interest is the amount charged on the principal amount with a fixed rate of interest for a time period. Simple interest calculated only on the principal amount.
The formula for the simple interest can be given as,
Here, (I) is the interest amount earned on the principal amount of (P) with the rate of (r) in the time period of (t).
Lucas spends $83.42 in additional interest and charges on monthly payments as the result of a prior bankruptcy. The amount save in a year (12 months) is,
The interest earned on this principal amount with earning 1.8% simple interest, after 3 years is,
The total total amount in his bank account after 3 years is,
Hence, the total amount Lusac have in his savings after 3 more years with 1.8% saving interest is $1055.10.
Learn more about the simple interest here;