Block 1 3 4 After 3 days 1356 1337 1344 1310 1348 After 6 days 1352 1355 1355 1324 1380

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Topic Video
Question
Find p value
Strength of concrete: The compressive strength, in kilopascals, was measured for concrete blocks from five different batches of olc
concrete, both three and six days after pouring. The data are as follows. Can you conclude that the mean strength after three
days differs from the mean strength after six days? Let u, represent the mean strength after three days and u, =H, -H. Use the
a = 0.10 level and the P-value method with the TI-84 Plus calculator.
Block
1
4
After 3 days
1356
1337
1344
1310
1348
After 6 days
1352
1355
1355
1324
1380
Send data to Excel
Transcribed Image Text:Strength of concrete: The compressive strength, in kilopascals, was measured for concrete blocks from five different batches of olc concrete, both three and six days after pouring. The data are as follows. Can you conclude that the mean strength after three days differs from the mean strength after six days? Let u, represent the mean strength after three days and u, =H, -H. Use the a = 0.10 level and the P-value method with the TI-84 Plus calculator. Block 1 4 After 3 days 1356 1337 1344 1310 1348 After 6 days 1352 1355 1355 1324 1380 Send data to Excel
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