We know that
The range is the difference between the highest and the lowest value
step 1
calculate the range in monthly sales for new car
highest value=51
lowest value=20
range=51-20-----> range=31
step 2
calculate the range in monthly sales for used car
highest value=87
lowest value=12
range=87-12-----> range=75
the answer is
used car with a range <span>in monthly sales</span> of 75
Answer: A
Step-by-step explanation: i hope this helps
Answer:
a) Sample of households using cell-phone only in a particular region or in a country.
b) It has to be Systematic sampling techniques
Step-by-step explanation:
a) Since the goal of the organization is to estimate the number of cell phone only households. Only households that uses cell-phone only is the appropriate population to sample from. The first step is to identify the households that fall into the population of interest. Then number them systematically and sample from the frame.
b) The moment an household is selected into the sample from the frame, the researcher can visit to conduct the survey. Or, he or she can use other method of data collection such as phoning the household before physical visit, etc.
Hey there!
3/7 is needed for 1 cake
If she needs to make 42 cakes, then multiply the amount for 1 by 42
42 × 3/7 = 126/7 = 18
She needs 18 kilograms of flour to make 42 cakes
Hope this helps :)