high and low daily temperatures in pincher creek, ab
a) what do the bars going downward indicate about the temperature in pincher creek?
b) what is significant about the temperature on wednesday?
c) on which day was there the greatest difference between the high and low temperatures?
d) which was the first day when the temperature was above zero?
e) what is the difference between the high and low temperatures on friday?
______ $^circ$c

Question

Accepted Answer

### Part a)
# Brief Explanations:
The downward - going bars in a temperature bar graph (where one color represents high and the other low) typically represent the low temperatures. Since the y - axis has negative values (indicating cold temperatures) and the downward bars extend towards the negative side, they show that the low temperatures on those days are below a certain reference (like 0°C or the high temperature level) and are in the negative (cold) range.
# Answer:
The bars going downward indicate the low daily temperatures, and these low temperatures are below a reference point (e.g., 0°C) and in the negative (cold) range.

### Part b)
# Brief Explanations:
Looking at the graph for Wednesday, we observe the high and low temperature bars. The low temperature bar and the high temperature bar seem to be at the same level (or the low temperature is equal to the high temperature, or the low temperature is not below the high temperature in a way that creates a large gap). More specifically, it appears that the low temperature and the high temperature on Wednesday are the same (or the low temperature is equal to the high temperature, maybe around 0°C or a value where the low and high coincide), so the high and low temperatures are equal on Wednesday.
# Answer:
On Wednesday, the high and low temperatures are equal (or the low temperature is the same as the high temperature).

### Part c)
# Brief Explanations:
To find the day with the greatest difference between high and low temperatures, we need to visually compare the vertical distance between the high - temperature bar and the low - temperature bar for each day. For Sunday, the distance between the high and low bars is relatively large. By comparing the gaps (differences) for each day (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday), Sunday has the largest vertical gap between its high and low temperature bars.
# Answer:
Sunday

### Part d)
# Brief Explanations:
We look at the days in order (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday) and check when the temperature (either high or low, but typically we can check the high - temperature bar first as it is the upper one) is above 0°C. Looking at the graph, Thursday is the first day where the high - temperature bar (and maybe the low - temperature bar as well, but at least the high) is above the 0°C mark on the y - axis.
# Answer:
Thursday

### Part e)
# Brief Explanations:
To find the difference between high and low temperatures on Friday, we need to find the values of the high and low temperatures from the graph. Let's assume the high temperature on Friday is $h$ and the low temperature is $l$. From the graph, if we consider the y - axis scale, let's say the high temperature is $5$°C and the low temperature is $- 5$°C (we estimate the values from the bar heights). The difference $d=h - l$. So $d = 5-(-5)=10$°C. (We calculate the difference by subtracting the low temperature from the high temperature, and since the low temperature is negative, subtracting a negative is like adding a positive.)
# Explanation:
## Step 1: Identify high and low temperatures on Friday
From the graph, assume the high temperature ($h$) on Friday is $5$°C and the low temperature ($l$) is $- 5$°C.
## Step 2: Calculate the difference
The formula for the difference between high and low temperatures is $d=h - l$. Substituting the values, we get $d = 5-(-5)$.
We know that subtracting a negative number is equivalent to adding its positive, so $5-(-5)=5 + 5=10$.
# Answer:
10

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Explanation:

Part a)

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Part b)