%ciu serico oganetin reports hatthe level of edecational attairement oe mothers

Question

%ciu serico oganetin reports hatthe level of edecational attairement oe mothers receiving food stamps is unformy distr tutedTotestths cum. you randomly select 102 mothers who currenity receive lood stamps and record the educational aftainment of each The esults are shown in the table orn hengt Ata-0825,??? you ee?nc! the daim that the dstrbulon is unform? Complete parts (1) through (d) below Frequency a high school graduate 38 27 igh school graduate e (t year or more) Ia) Shate Ho and H, and idenity the clai The iion of educational aftainment sesponses is Rond ore decinal places as needed)

Explanation / Answer

Ho......uniformly distributed

Ha......not uniformly distributed

claim: Ho

b)

critical value =7.378

c) applying chi square distribution:

test statistic =2.176

observed Expected Chi square category Probability(p) Oi Ei=total*p R2i=(Oi-Ei)2/Ei not a high school grad 1/3 37.000 34.00 0.26 high school grad 1/3 38.000 34.00 0.47 college 1/3 27.000 34.00 1.44 total 1 102 102 2.176

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