Random inputs for a logic array?

This is my current code:

function [averageScores, deviationScores, medianScores, modeScores, partyDecision] = PizzaParty(scores)
   averageScores=mean(scores)
    deviationScores=std(scores)
    medianScores=median(scores)
    modeScores=mode(scores)
         partyDecision=(averageScores&modeScores)
    if averageScores>=85, modeScores>=75
      partyDecision=true
    elseif averageScores<=85, modeScores<=75
        partyDecision=false
    end
end

It works to satisfy the first requirement, but I'm not sure how to go about satisfying the second requirement and error as stated below:

"Check that given random scores as the input, all the output variables are calculated correctly.

Variable partyDecision has an incorrect value. Check the logic used to calculate whether the party will be held."

Answer 1

[KSSV]

function [averageScores, deviationScores, medianScores, modeScores, partyDecision] = PizzaParty(scores)
   averageScores=mean(scores)
    deviationScores=std(scores)
    medianScores=median(scores)
    modeScores=mode(scores)
         % partyDecision=(averageScores&modeScores)  Not needed 
    if averageScores>=85 && modeScores>=75
      partyDecision=true
    else
        partyDecision=false
    end
end