A random sample of 16 companies was selected and asked for their annual dividend rate in three different industries: utilities, banking, and insurance. The ANOVA comparing the mean annual dividend rate among three industries rejected the null hypothesis. The Mean Square Error (MSE) was 3.36. The following table summarized the results: 
When comparing the mean annual dividend rate for companies in the utilities and insurance industries, the following 95% confidence interval can be constructed:
Definitions:
Punk Rock
A genre of music that emerged in the 1970s, characterized by fast, hard-edged music and attitudes of rebellion and anti-establishment.
Video Cassettes
Analog storage media used to record and playback video content on VCRs (Video Cassette Recorders).
Budget Line
A graphical representation of all possible combinations of two goods that can be purchased with a given budget at fixed prices.
Punk Rock
A music genre that emerged in the mid-1970s, characterized by short, fast-paced songs with hard-edged melodies and singing styles, stripped-down instrumentation, and often political, anti-establishment lyrics.
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