A recent trade newsletter reported that during the initial 6-month period of employment, new sales personnel in an insurance company spent a median of 119 hours per month in the field. A random sample of 20 new salespersons was selected. The numbers of hours spent in the field by members in a randomly chosen month are listed here:

Do the data support the trade newsletter's claim? Conduct the appropriate hypothesis test with a significance level of 0.05.

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163 147 189 142 103 112 95 26 135 103 96 134 114 89 134 126 129 115 102