An investment advisory company studied funds available on the
market: Large cap, mid-cap, and small-cap. The company randomly
selected some funds and measured their 1-year return rate
(2011-2012) and 3-year return rate (2011-2014), respectively. Data
is supplied in both Minitab and Excel format.
In discussing the market trend, an analyst suggests that the
market has slowed down, i.e., the return rate has dropped. The
analyst is adamant that the average 3-year return rate of mid-cap
funds is lower than their average 1-year return rate. Can you
analyze the data to see if this judgment is true or not? The
analyst is in a hurry, so you do not need to present a formal
five-step procedure. Instead, conduct the proper analysis in
Minitab (or another statistical software package), present the
analysis report and state your conclusion (use significance level
of 0.05).
Show transcribed image text 1YrReturn% Large 3YrReturn% Large 1YrReturn% Mid-Cap 26.38 3YrReturn% Mid-Cap 1YrReturn% Small 3YrReturn% Small 28.99 33.40 33.98 33.78 21.62 22.87 17.41 16.54 15.72 14.50 17.14 15.23 18.62 22.45 15.66 13.75 14.62 26.06 15.72 11.86 18.64 24.26 22.72 21.91 21.89 16.47 18.70 16.25 15.65 15.26 15.04 15.02 14.97 14.61 14.56 14.44 22.70 14.86 17.59 9.99 16.24 19.47 16.23 16.12 15.83 14.96 14.94 14.90 14.66 14.23 16.16 16.27 16.94 14.60 11.40 16.64 14.75 17.80 16.95 15.69 15.61 17.80 16.95 15.69 15.61 23.24 10.46 19.73 16.43 13.44 13.30 13.16 12.59 12.45 12.39 12.16 15.48 12.85 11.07 14.32 16.74 10.46 13.85 13.78 13.78 14.44 12.14 11.97 11.84 11.80 11.44 11.29 11.21 10.39 10.85 9.40 10.88 16.38 11.33 11.98 8.82 13.22 13.07 12.90 12.84 12.76 12.67 12.63 12.52 13.78 13.78 13.50 13.50 13.49
1YrReturn% Large 3YrReturn% Large 1YrReturn% Mid-Cap 26.38 3YrReturn% Mid-Cap 1YrReturn% Small 3YrReturn% Small 28.99 33.40 33.98 33.78 21.62 22.87 17.41 16.54 15.72 14.50 17.14 15.23 18.62 22.45 15.66 13.75 14.62 26.06 15.72 11.86 18.64 24.26 22.72 21.91 21.89 16.47 18.70 16.25 15.65 15.26 15.04 15.02 14.97 14.61 14.56 14.44 22.70 14.86 17.59 9.99 16.24 19.47 16.23 16.12 15.83 14.96 14.94 14.90 14.66 14.23 16.16 16.27 16.94 14.60 11.40 16.64 14.75 17.80 16.95 15.69 15.61 17.80 16.95 15.69 15.61 23.24 10.46 19.73 16.43 13.44 13.30 13.16 12.59 12.45 12.39 12.16 15.48 12.85 11.07 14.32 16.74 10.46 13.85 13.78 13.78 14.44 12.14 11.97 11.84 11.80 11.44 11.29 11.21 10.39 10.85 9.40 10.88 16.38 11.33 11.98 8.82 13.22 13.07 12.90 12.84 12.76 12.67 12.63 12.52 13.78 13.78 13.50 13.50 13.49
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