Tutors Answer Your Questions about Average (FREE)
Question 356809: I need help with this problem because I don't see how I can figure out a mean if the remaining scores are not given. Please help and explain the logic. Thanks!
The arithmetic mean of 10 test scores is 90. The top and bottom scores (55,98)are eliminated. What is the mean of the remaining set of scores?
Click here to see answer by Fombitz(13828)  |
Question 356809: I need help with this problem because I don't see how I can figure out a mean if the remaining scores are not given. Please help and explain the logic. Thanks!
The arithmetic mean of 10 test scores is 90. The top and bottom scores (55,98)are eliminated. What is the mean of the remaining set of scores?
Click here to see answer by stanbon(57409) |
Question 359671: You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a mean score of 85?
I tried: 84+x/2=85
2(84+x/2)=(85)(2)
84-84+x=170-84
x=86
The problem is that I have multiple choice answers and 86 is not one of the answers (the answers are: A. 85 B. 89 C. 90 D. 92
Click here to see answer by ewatrrr(10682)  |
Question 360021: a man started selling magazine subscriptions he sold twice as many each day over the day before after five days he sold a total of ninety three magazine subscriptions. What is total magazine subscriptions for the third day?
Click here to see answer by robertb(4012)  |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330
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