#3 Sand and clay studies were conducted at a site in California. Twelve consecutive depths, each about...

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Basic Math

#3
Sand and clay studies were conducted at a site in California.Twelve consecutive depths, each about 15 cm deep, were studied andthe following percentages of sand in the soil wererecorded.
29.6
30.3
26.2
30.0
26.9
28.9
?
26.5
27.5
27.8
29.5
29.3
23.8
?
Convert this sequence of numbers to a sequence of symbols A andB, where A indicates a value above the median and B denotes a valuebelow the median. Test the sequence for randomness aboutthe median with a 5% level of significance. What is the value ofthe sample test statistic R, the number of runs?
?
R = 8
R = 9
R = 7
R = 4
R = 6

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3.9 Ratings (607 Votes)

Sand and clay studies were conducted at a site in California 12 convective depths each about 15 cm deep were studied and the following percentage of sand in the soil were recorded 296 303 262 300 269 289 265 275 278 295 293 238 Now we want to test randomness about the median at 5 level of See Answer

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