A study on factors that may be related to the number of weeks a person has been jobless has been conducted in Cheyenne and Memphis. The data collected in Cheyenne are provided in the file cheyenneunemp, and the data collected in Memphis are provided in the file memphisunemp. The following information was collected in the study.

Weeks The number of weeks a person has been jobless due to a layoff.

Age The age of the person

Educ The number of years of education

Married $1$ if married, $0$ otherwise

Primary $1$ if the primary income earner, $0$ otherwise

Tenure The number of years on the previous job

Manager $1$ if previous job was classified as a management occupation, $0$ otherwise

Sales $1$ if previous job was classified as a sales occupation, $0$ otherwise

City City in which the data were colleyted

Click on the datafile logos to reference the data.

DATA $\sqrt[\phantom{2}]{f}$ile

DATA $\sqrt[\phantom{2}]{f}$iled

The data from these two files must be combined into a single file to facilitate their analysis. Append the $50$ records in the file cheyenneunemp to the $68$ records in the file memphisunemp. Save your results as a file under the name combinedunepm.xlsx$.$ What is the average age of a person in the combined file who has been jobless for at least $80$ weeks. Round your answer to one decimal place.