cyrilmosca223
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Bonjour et voici mon problème

1 Communiquer en anglais Calculer-Communiquer In a survey, Wendy asked forty of her friends how many foreign countries they had visited. Here are her results. Number Number of Mid-Interval nxm of countries friends (n) value (m) O to 2 3 1 3 to 5 6 4 6 to 8 10 9 to 11 15 12 to 14 5 15 to 17 1 a. Copy out and complete the table. b.Work out an estimate for the mean number of countries visited by the 40 people.
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Bonjour Et Voici Mon Problème1 Communiquer En Anglais CalculerCommuniquer In A Survey Wendy Asked Forty Of Her Friends How Many Foreign Countries They Had Visit class=

Sagot :

hamelchristophe

Réponse :

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b) the mean number of crountries visited by the 40 people is 8.

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