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Q 1/6
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You should use a ______ sample when the population consists of several distinct groups such as year groups in a school or people studying different courses.
30
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Q 2/6
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A film streaming company designs this questionnaire. How often do you get download films? [once or twice /often / all the time] How could their question be improved?
30
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6 questions
Q.
You should use a ______ sample when the population consists of several distinct groups such as year groups in a school or people studying different courses.
1
30 sec
Q.
A film streaming company designs this questionnaire. How often do you get download films? [once or twice /often / all the time] How could their question be improved?
2
30 sec
Q.
The owner of a cinema in Oakfield wants to see if they can expand to the town of Rowanwood. They ask 10 of their friends in Oakfield if they would use a new cinema. How can they improve their sample?
3
30 sec
Q.
The owner of a bakers in Oakfield wants to find out what their customers think of their new cakes. Match each type of sample to a suitable example.
4
30 sec
Q.
A conservationist collects a stratified sample of 35 birds from a lake. They collect 5 swans, 12 geese, 8 moorhens and some ducks. There are 20 swans on the lake. How many ducks are on the lake? ______
5
30 sec
Q.
A quality controller takes a stratified sample of 16 type A batteries and 12 type B batteries. The factory produce 2545 type A batteries. They produce ______ of type B to the nearest whole battery.
