Question

the days to maturity for a sample of five money market funds are shown here. the dollar amounts invested in the funds are provided. days to maturity dollar value ($ millions) 18 25 15 30 6 15 5 10 4 25 use the weighted mean to determine the mean number of days to maturity for dollars invested in these five money market funds. round your answer to 2 decimal places. $\bar{x}=$ days hide feedback incorrect hint(s) check my work

Explanation:

Step1: Calculate the numerator (sum of product of values and weights)

$18\times25 + 15\times30+6\times15 + 5\times10+4\times25$
$=450+450 + 90+50+100$
$=1140$

Step2: Calculate the denominator (sum of weights)

$25 + 30+15 + 10+25$
$=105$

Step3: Calculate the weighted - mean

$\bar{x}=\frac{1140}{105}\approx10.86$

Answer:

$10.86$