Among the best companies to work for in the US, 33% experienced double digit job growth, 49% experienced single digit growth, and 18% experienced no growth or decline. A closer examination of the 30 companies that make up the 30 industrials in the DJ Index showed that 15 had job growth in the double digits, 11 in the single digits, and only 4 had no growth or decline. Is there anything unusual about job growth among the 30 industrials? Use α = 0.05.
What kind of Chi-Square test is this?