Total value of 100 measurements
100 * 23
2300
Total value of additional 50 measurements
50 * 27
1350
Total value of 150 measurements
2300 + 1350
3650
Average of 150 measurements
3650 / 150
24.3
25 > 24.3
Answer is B
Answer:
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Step-by-step explanation:
7^2 +6 ^2= 85
Square root of 85 = 9.219544457
Answer : 9.2