Exclude empty fields from custom field calculation (Average)

Just tell the loop to continue if the custom field is 0 or blank.

if ((get_post_meta($post->ID,'60mins',true))||/*however it returns as blank*/)
{
    continue;
}

This will prevent it from being factored into the average.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)