Plz need answer quick 1. what is the mean change in the forecasted high temperatures over the next 7 days? remember, this can be found by averaging the values in the difference column for the high temperatures. show your work and steps. if your answer is not an integer, explain what two integers your answer is between. high for tuesday: 87 wednesday: 87 thursday: 81 friday: 86 saturday: 89 sunday: 83 monday: 89