TABLE 13-3
The director of cooperative education at a state college wants to examine the effect of cooperative education job experience on marketability in the work place. She takes a random sample of 4 students. For these 4, she finds out how many times each had a cooperative education job and how many job offers they received upon graduation. These data are presented in the table below. 
-Referring to Table 13-3, suppose the director of cooperative education wants to construct a 95% confidence interval estimate for the mean number of job offers received by students who have had exactly one cooperative education job. The confidence interval is from ________ to ________.
Definitions:
Peninsular Ranges
A group of mountain ranges that stretch along the Pacific Coast from Southern California to Baja California.
Volcanic Rocks
Igneous rocks formed from the cooling of magma or lava on the surface of the Earth or its near surface, including basalt and rhyolite.
Granite
A coarse-grained igneous rock composed mainly of quartz, feldspar, and mica, commonly used in construction.
Metamorphic Rocks
Rocks that have undergone transformation in their mineral composition or structure due to extreme heat, pressure, or chemically active fluids.
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